A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

An underground city of salt.

A unique hotel for the artistic soul.

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

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

Two plaques commemorate the site of Shakespeare's first theatre.

A mysterious pair of mice eating a piece of cheese is London's smallest public sculpture.

Eighty million natural history specimens call this gargantuan museum home.

Catacombs turned marketplace.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.