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

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

Bizarre Cavern.

A museum dedicated to exhibiting remarkable outsider art.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

The trials and tribulations of marking Poe's grave.

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

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

Eighteen miniature death-scene dioramas.

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

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

A priceless collection of the Nation's cryptologic history.

The Pentagon sits on a former island that was in Virginia at low tide and D.C. at high tide.

The remains of a historic plantation nestled in between a parking lot and the rental car return at Reagan National Airport.

An eight-sided home built during a brief octagon craze in the 1850s.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Soldiers were buried next to Lee's house in the center of Arlington Cemetery to dissuade the general from reclaiming his property after the war.

This old-fashioned carhop restaurant gave the world the waffle cone.

Hidden for 165 years inside a building designed by Thomas Jefferson are the remains of what may be America's first educational chemistry lab.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

Hop on the train and tour an elaborate miniature town made completely of junk (including the train).

One of the last active volcanoes on the Eastern seaboard.

A small Richmond island dotted with the remnants of hundreds of years of history.

This collection of over 50 classic pinball machines awaits visitors to downtown Roanoke.