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.

Remnants of a storybook amusement park hidden behind a strip mall.

Electronic inventions that resulted in products and systems we use every day are on display in this labor-of-love museum.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

Hear, smell, see, taste, and touch history at this immersive Civil War hospital.

This abandoned Victorian-style house was built in 1884.

The whole world in one water tank.

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

Burke’s oldest cemetery also houses the victim of the county's grisliest murder.

The U.S. Army's giant warehouse of war art includes Hitler’s watercolors and Norman Rockwell oil paintings.

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

Collecting 700 years of mechanical death-dealing, the NRA's sprawling gun museum is a revealing testament to the American obsession with armament.

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

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

The shelves in the back of this thrift store are devoted to saving, not selling, retro tech.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

Two dozen pinball games hidden away inside a most unlikely location.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

The world's oldest continuously operating airport was founded by the Wright Brothers.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

This stately building in Alexandria, Virginia was built by Freemasons to honor one of their most famous members.