A fake Transylvanian castle houses a cathedral of antlers.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

A diminutive statue that was inspired by the sculptor's own daughter.

Once the home of a hermetic monk, this cave now houses a small church.

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

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

From bench to vandalism to art, this silly prank seat was funny enough to become permanent.

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

A snapshot of the city's fascinating voodoo culture.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The final resting place of New Orleans' most famous voodoo priestess.

A winding path built in secret on the edge of the continent.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

A museum and shop on Bourbon Street located in the French Quarter.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

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

The second oldest continuously operating bar in Louisiana.