An FDR-era tuberculosis sanatorium has stood abandoned in the suburbs of the U.S. capital for over 30 years.

The ruins of this long-abandoned unsuccessful gold mine can still be found.

Despite violent work crews and massive delays this abandoned canal tunnel was built to last into the modern day.

An eerie, decaying ghost town destined to fade into the forest.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

Bizarre Cavern.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

An enormous warehouse filled with parade floats collected from over 50 years of patriotic celebrations.