Haunting and beautiful trees, doomed to die.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

An ancient knight and a symbol of the city's freedom.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

Brussels' favorite peeing boy has a sister.

Climb inside an iron crystal magnified 165 billion times its normal size.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

The fossilized remains of ancient California redwoods.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A building so large that it has its own weather.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Giant topiary dog once played a role in a terrorist bomb plot.

Cold war icon and onetime "hole" in the iron curtain.

A beautiful geyser under environmental threat.

A open air theatre built on a cliff by an eccentric British woman.

Metro station with a claim to rock n' roll fame.

A miniature train-ride through Slovenia's largest cave system.

A lover's walk between hilltop towns, decorated with graffiti love notes.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Historic medieval fortified city in southwest France.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.