This ancient Irish tower could easily have stood in for Rapunzel's prison.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A grave marker depicting a body snatching tableau on a 19th-century tombstone.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

Two large-scale sculptures of Adam and Eve greet visitors in the nude at the Time Warner Center in NYC.

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

This communist behemoth is the heaviest building in the world and a legacy of a brutal regime.

One of Ireland's most infamous prisons for rebels including men, women and children.

An underground city of salt.

Archduke Ferdinand II's collection of rare objects is considered one of the oldest museums in the world.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

A fearsome dragon clings to a corner of Munich's city hall.

It was once nicknamed "the most bombed hotel in Europe."

The first piece of public art dedicated to LGBT rights.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The American Revolution was galvanized into serious action due to the tragic clash with British soldiers that occurred at this location.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

Local myth claims this is a Sears catalogue home with its windows installed upside-down.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.