A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

A surrealist timepiece by the artist of melting clocks.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

This massive library holds what was once the largest book collection in the world.

Notorious artist squat renovated into legal studios.

Only a few walls remain of the last church the Pilgrims used before they sailed to North America.

The works of poetry's biggest names grace the walls of the city of Leiden, all carefully painted by hand.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

A collection of 1,300 accordions of all shapes and sizes displayed in chronological order.

A prehistoric landscape hidden in the cliffs of Maha'ulepu.

This blowhole is supposedly caused by a trapped monster.

A statue commemorating the island's tradition of dancing dwarves in Napoleon hats.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

The only urban monument in the world designed by the great surrealist painter Salvador Dalí.

An ancient Egyptian temple in the middle of Madrid, Spain.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

An eccentric collection of antique items shares space with a prop-quality witchcraft museum.