To get to or from this Canadian ghost town, you'll need to cross 11 single-lane bridges.

Once the site of a 12-century monastery, this tiny island is now home to only five permanent residents.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

This unique structure is the only one of its kind in Virginia.

A small, forgotten prison cemetery marked only by a wrought-iron fence and eerie depressions left in the ground.

Standing for over 200 years, the abandoned home of a Revolutionary War hero and later a succession of prison superintendents.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

This "castle" is actually a limestone and quartz formation hidden along a trail.

These figures float and flutter in this fountain crafted by famed Swedish sculptor Carl Milles.

An eccentric company offers eccentric millionaires the opportunity to have spaceflight-related experiences.

This suburban house is made of dirt, and almost sparked a revolution in home construction.

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

These abandoned waterworks are crumbling into the Potomac River.

This site is believed to be connected to the oldest house in Arlington County.

This unique historical monument features large concrete spheres designed to resemble fallen stars.

The national park was once a plantation estate.

A historic ruin just 20 feet away from a busy highway onramp.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

The site of the climactic scene from the classic horror film is now a historic landmark.

A wondrous old library overlooking the nation's capital.