Where the lovelorn find a home for their sentimental keepsakes.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

A haunting collection of the vanished and disappearing natural world.

A museum dedicated to the history and exploration of both popular music and science fiction.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A colorful piece of contemporary art cheerfully clashes with Lyon's historical architecture.

This ancient theater was once the home of fierce gladiatorial battles.

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

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Northern Ireland's Brobdingnagian stepping stones.

Vast stretch of tide-pools with a unique Moroccan charm.