A decaying garage hidden amid the dense forest is all that remains of a once-prosperous dairy farm.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

These abandoned waterworks are crumbling into the Potomac River.

An out-of-place Air Force radar dome is all that denotes this park as a former missile launch site.

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

People escaping slavery may have hidden inside a corpse vault.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

The semi-reclaimed ruins of this canal were once part of an ambitious plan to reroute the mighty potomac.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

This abandoned Victorian-style house was built in 1884.