One of the oldest and most significant collections of Ancient Egyptian archeology outside of Egypt.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Pilgrimage site for star-crossed lovers.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Saint Borromeo often prayed in this austere crypt during the 16th century.

A small sculpture that pays homage to the famous bronze ear of Ca de l'Oreggia—or does it?

Third time's a charm, or in this case, two testicles are.

See what remains of a once grand ancient Roman circus.

The enigmatic sculpture hides above an escalator in a Milan metro station.

The mark of the Devil's horns on a marble column in Milan.

This poignant art installation raises awareness of violence against women.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The secret medieval communication system will whisk your words above the noise of the crowd.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

An ancient knight and a symbol of the city's freedom.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Constructed on the ruins of a convent, this tower saved countless lives.

A public urinal so pretty, it was declared a national monument.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This demon atop the Notre-Dame de Paris looks utterly bored.

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