The arching stretch of London's longest street holds many reminders of the area's maritime past.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Climb into Albania's communist history while enjoying a spectacular ocean view.

Gigantic water vessel, permanently grounded in Southern Albania.

A naturally beautiful, seemingly bottomless deep blue spring.

This beautifully preserved Ottoman house is steeped in history.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A patch of Philippines forest devoted to saving the lives of an emotionally sensitive species of googly-eyed primates.

Bohol's unusually shaped hills turn brown in the summer months.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The mummified right fist of a 1,000-year-old saint-king sits inside an ornate golden reliquary.

A bridge that has seen many reiterations over its lifetime.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

The remains of the great moral philosopher reside in a university in London.

The curios of pharmacist and collector Henry Wellcome.

Step inside the first house designed by Catalan architect Antoni Gaudí, considered to be one of the first Art Nouveau buildings.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

Rebuilt remains of a temple to Roman god Mithras.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."