America's oldest archaeological site or a muddled case of wishful thinking.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Explore the dark underground corridors of this graffiti-covered former military fortification.

A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Fossilized sea bottom and lime quarry.

An old abandoned mining town in The Adirondacks where Theodore Roosevelt first learned of the shooting of President William McKinley.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground