Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
Arches National Park Main Entrance Road, Beginning at U.S. Highway 191...
Significance: Planned during the 1940s, the Main Entrance Road utilized standards of design developed cooperatively between the National Park Service and the Bureau of Public Roads, minimizing negative impact o... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Keane Wonder Mine, Park Route 4 (Daylight Pass Cutoff), Death Valley J...
Significance: After fifty years of tenacious but comparatively unprofitable gold mining activities in Death Valley, the Keane Wonder strike in 1904 became the heart of Death Valley's most prosperous two decades... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Cape Royal Road, Between North Entrance Road & Cape Royal, Grand Canyo...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build modern automotive roads within the national parks. Extant features of Cape Royal Road and Point ... More
Acadia National Park Motor Roads, Bar Harbor, Hancock County, ME
Significance: Motorists visiting Acadia National Park enjoy a variety of experiences on the park's acclaimed road system. The principal park road is the Park Loop Road, a 20-mile circuit around the eastern hal... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
East Rim Drive, Between South Entrance Road & park boundary, Grand Can...
Significance: The scenic drive is an early example of the cooperative agreement between the NPS and BPR to build quality automotive roads within the national parks. Extant features of East Rim Drive representa... More
Arches National Park Main Entrance Road, Beginning at U.S. Highway 191...
Significance: Planned during the 1940s, the Main Entrance Road utilized standards of design developed cooperatively between the National Park Service and the Bureau of Public Roads, minimizing negative impact o... More
Arches National Park Main Entrance Road, Beginning at U.S. Highway 191...
Significance: Planned during the 1940s, the Main Entrance Road utilized standards of design developed cooperatively between the National Park Service and the Bureau of Public Roads, minimizing negative impact o... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Wawona Tunnel, Wawona Road through Turtleback Dome, Yosemite Village, ...
part of Yosemite National Park Roads and Bridges Recording Project, 1991; see HAER No. CA-117 for overview Significance: The longest vehicular tunnel in the western United States at the time of construction, th... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Petrified Forest National Park Roads & Bridges, Holbrook, Navajo Count...
Significance: The Petrified Forest National Park is so designated for its scientific and educational value, in addition to its natural scenic beauty. Intersecting, and at times, overlaying, prehistoric and his... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Going-to-the-Sun Road, West Glacier, Flathead County, MT
Significance: Going-to-the-Sun Road is a 51-mile stretch of scenic mountain road in Glacier National Park. The road is significant as a unique engineering accomplishment of the early twentieth century, in that... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More
Lassen Park Road, Mineral, Tehama County, CA
Significance: The Lassen Park Road a thirty mile stretch of scenic mountain road through Lassen Volcanic National Park is a classic example of early twentieth century park road design. The road, which is the so... More