National Zoological Park, Holt House, Adams Mill Road Vicinity, Washington, District of Columbia, DC

Significance: Interesting example of a 5-part plan mansion. Traditionally associated with Andrew Jackson and John Quincy Adams, however, the stories are largely unsubstantiated. Residence of Dr. Henry C.Holt in mid to late 19th century. House and land bought for the newly formed Zoo in 1890.
Unprocessed Field note material exists for this structure: FN-1
Unprocessed Field note material exists for this structure: N1549
Survey number: HABS DC-21
Building/structure dates: 18h1 Initial Construction
Building/structure dates: 1890-1901 Subsequent Work