The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

Europe's first floating restaurant is home to a hilarious legend.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Extremely famous in his native country, this Cracovian painter is all but unknown beyond Polish borders.

This riverside restaurant has been serving customers since 1146.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

The walls and streets of the ancient city are peppered with penises.

Erotic art covers the walls of the largest ancient pleasure palace.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

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

This effigy of Peter the Great is greatly disproportionate.

The final resting place of the author who gave us the Little Mermaid, the Ugly Duckling, and many more beloved fairy tales.

This bridge's unique architecture honors nautical heritage and encourages self-awareness.

A stunning architectural yet functional feat, towering over Oslo.

This handsomely carved wooden church is more than 800 years old.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This Fifth Avenue church has long been the favored worshiping place of Broadway actors and vaudeville performers.

A semi-scholarly approach to sex.

The most loyal of little dogs, or a Victorian era publicity stunt?

A French library that makes sure its love of books is writ large... giant in fact.

An underground city of salt.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

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