Man Made
Manhattan Project National Historical Park - B Reactor
the world's first full-scale plutonium production reactor guided tours inside the B Reactor structure are temporarily su...
Man Made
M.T. Liggett Art Environment
Operating out of a dirt-floor barn using a plasma cutter and arc welder, he spent three decades turning scrap metal, far...
Man Made
Larz Anderson Auto Museum
"America's Oldest Car Collection". Nestled inside the scenic 64-acre Larz Anderson Park, the museum is housed inside a s...
+4
Man Made
Mont Saint-Michel
Mont-Saint-Michel is a tidal island and mainland commune in Normandy, France. The island lies approximately one kilometr...
Man Made
Sunny Slope Rock Garden
A bunch of tiny buildings, rock fountains and weird masks built by Cleveland Thompson who died in 1978.
Not sure if ...
Man Made
Droop mountain tunnel
This tunnel is 402 feet long and was built in 1900 for the Chesapeake & Ohio Railway. It now serves as part of the trail...
+2
Man Made
Electron Hydroelectric Project
Discover Electron Hydroelectric Project - featuring manmade, river, flume, powerplant, hydro located in USA, Pennsylvani...
Man Made
Snoqualmie Pass Train Tunnel
Discover Snoqualmie Pass Train Tunnel - featuring tunnel, train, rails to trails located in USA, Pennsylvania....
Man Made
Kidds Mill Covered Bridge
Discover Kidds Mill Covered Bridge - featuring covered bridge, historic located in USA, Pennsylvania....
Man Made
Moonville Tunnel
Discover Moonville Tunnel - featuring tunnel, train, rail to trail located in USA, Pennsylvania....
Man Made
Langkawi sky bridge
Discover Langkawi sky bridge - featuring bridge, Malaysia located in USA, Pennsylvania....
Man Made
Haiku Stairs
Discover Haiku Stairs - featuring hiking, stairs located in USA, Pennsylvania....
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