Six hikers walking along cliff side with backpacksGreat Smoky Mountains National ParkTaken for use in Exhibit #3 of Sugarlands Visitor Center.Hikers on one of the Trails, IV-U-Hiking-5695, Miscellaneous - Use of Park - Hiking in Park
Gila Cliff Dwellings National Monument, New MexicoKings Mountain National Military ParkGCD1, Gila Cliff Dwellings Nat. Mon., Silver City, New Mexico, Prehistoric people built their homes in these six natural caves
Gila Cliff Dwellings National Monument, New MexicoKings Mountain National Military ParkGCD3, Gila Cliff Dwellings Nat. Mon., Silver City, New Mexico, Cave #2 has an interesting T-shaped door in its outer wall
Hikers next to cliff on trail observing trees to rightGreat Smoky Mountains National ParkTaken for use in Exhibit #3 of Sugarlands Visitor Center. Vertical. Hikers on one of the Trails, IV-U-Hiking-5692, Miscellaneous - Use of Park - Hiking in Park
Gila Cliff Dwellings National Monument, New MexicoKings Mountain National Military ParkGCD4, Gila Cliff Dwellings Nat. Mon., Silver City, New Mexico, All availabe space was used, but only one 2-story structure was built
Overhanging cliff along Little River Road, 1931Great Smoky Mountains National ParkOriginal Captions: Overhanging cliff along Little River Road. Rock Overhang; Little River Road; II-R-Gen-16453, Physical Facilities - Roads - Miscellaneous Roads.Overhanging cliff along Little River Road.Rock Overhang; Little River Road, II-R-Gen-16453, Physical Facilities - Roads - Miscellaneous Roads
Gila Cliff Dwellings National Monument, New MexicoKings Mountain National Military ParkGCD2, Gila Cliff Dwellings Nat. Mon., Silver City, New Mexico, Rocks and adobe clay were used to build walls, which have stood since about 1250