The graveyard holding the remains of George Washington's slaves was forgotten for nearly 200 years.

Inside the Wayne County airport is an amazing collection of lights and sounds.

This small piece of Michigan is entirely surrounded by Ohio.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

A scrap-metal sculpture recalls an infamous 19th-century camel.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

This diner serves Route 66 nostalgia and what it claims is the 'original' hot dog on a stick.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

There's a crumbling old mansion inside the Smithsonian National Zoo.

A facility built in 1992 for an underground nuclear test remains in place today.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

Some of the best pastries in "the Czech heritage capital of Texas" come from a gas station off I-35.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

This lush Florida island is home to the ruins of a crooked ship breaker's tiny empire.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

This Colorado fire station has been in continuous operation for more than a century.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

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

Texas's oldest bakery serves authentic German pastries, including legendary strudel.

A lone historical marker off the highway and scattered debris are all that remain of this Cold War-era missile site.

The world-record holder for the longest bridge stretching continuously over water.

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

This colonial tavern played host to George Washington, Thomas Jefferson, and other famous early Americans.