Charleston's historic city jail once held everyone from pirates to Civil War POWs.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

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

Paths are maintained, but trees have taken over plots.

Oldest unrestored plantation house in America that is open to the public.

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

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

There has been an astronomical clock on this spot since the 14th century.

This museum looks at the history of one of America's most famous prisons and most beloved albums.

Home to items never before seen by the public.

At 207 feet, one of the world's longest continuous escalators.

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

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

A museum that houses the world's largest collection of ventriloquism dummies.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A church of bones, decorated with 40,000 human skeletons.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.