This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

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

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

This basement museum explores the art and artistry of fascism.

Amsterdam's Red Light District leaves little to the imagination.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A floating cat sanctuary on an Amsterdam canal.

Built to repay the sins of the father, this church is home to one of the most valuable works of Western art.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

The oldest of Venice's plague quarantine stations, designed to keep the medieval city safe from disease.

Venice's "Island of the Mad."

Venice's island of the dead.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

These fantastically named natural pools look like something out of a Scottish myth.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

The fountain marks the area where hundreds of accused witches were burned at the stake.

A museum dedicated to the Spanish occult in a town that was terrorized by the Inquisition.

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