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

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

Ancient snack bar of the Roman Empire re-opened.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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

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

Special benches that play Chopin's music are scattered throughout his native city.

The giant statue and its model solar system honor the native Pole who declared that the Earth revolves around the Sun.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

The silly symbol for an underground protest group is now scattered around the city.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

World's largest collection of serial killer artwork and other macabre exhibits.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

A memorial to the beloved brown bear that served in the Polish army during World War II.

A statue honors the children who fought Nazis in Poland.

This fairytale inspired, warped building houses restaurants, shops, and a radio station.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

Eighty million natural history specimens call this gargantuan museum home.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

This grubby wall is said to be one of the Earth's esoteric energy centers.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.