19th century pendulum and a clock restored by a rogue group of guerilla artists.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This elaborate towering structure was once famed for its revolutionary height.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Macabre museum devoted to historical Viennese murders.

Bridge that died in war and was resurected.

Metro station with a claim to rock n' roll fame.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

This subterranean necropolis holds three floors of antler-dug grave caves.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

A bit of retro transportation flair preserved in the world's largest department store.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Elevated freight railway turned wildly successful urban park.

One of the oldest continuously-operated gay bars in the United States is allegedly haunted by Truman Capote and Tennessee Williams.

The second oldest continuously operating bar in Louisiana.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

An overlooked monument to the celebrity gangster who helped put the sin in Sin City.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.