Our Pick
Posted on @rawstates
Glen Canyon Dam
1963
Coconino County, Arizona
Adbar · CC BY-SA 3.0 · Wikimedia Commons
The Sierra Club agreed not to fight it in exchange for stopping dams in Dinosaur, and its director called it the worst mistake of his life once he saw the canyon it drowned. Lake Powell took seventeen years to fill and has since dropped far enough to expose side canyons nobody had seen in fifty years.
That was 1 of the hidden places.
Location: documented spot
This place has its own thread on r/rawstates
Read what people are saying about it, or add your own.