This heavily worn bas-relief was once an honored fertility symbol.

This legendary giant, born from vegetables, terrorized townspeople and cheated local children in games.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

A man throwing a giant severed hand towers over Antwerp’s main square.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A sculpture serving as an homage to Pope John Paul II.

This picturesque Umbrian city has a subterranean side that has long remained hidden.

Water and windows define this defensive Italian well.

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

The Sighignola summit on the Swiss border offers views so breathtaking it's been named one of the most beautiful places in Italy.

This automated sculpture of two men peeing will spell out text messages with their micturition.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Where royalty waits in the height of luxury.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

Lady Liberty's original designer installed a little clone in this French fountain.

The world's largest reflecting pool is just two centimeters deep.

This Bordeaux parking garage has 712 indoor spaces, and one outdoor.

The eclectic observatory castle of a 19th-century astronomer and explorer.

Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.