Eastern Bloc nostalgia, anybody?

This quiet, unassuming spot in Budapest was the birthplace of the bloody 1956 Hungarian Revolution.

Real bones which are said to have belonged to a Polish dragon.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

This sheep farm has been forever transformed since being built for “The Hobbit” film series.

The glacier tucked within a New Zealand rainforest.

A perfect turquoise lake colored with glacier dust.

A galaxy of glowworms—larvae of a gnat—hides deep in the belly of these caves.

Largest Kauri tree in New Zealand.

This Greek temple, open only an hour a day, was the site of a war of tastes between an architect and an artist.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

Op-art architecture designed for happiness.

A silly medieval mural preserved on the side of a Viennese house.

The only way to see Pittsburgh is from the top of this lookout point, just like the ancient members of the native peoples did.

One of the steepest streets in the United States makes an intriguing challenge for cyclists.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

A fearsome dragon clings to a corner of Munich's city hall.

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

The footprint of a frustrated devil in Munich's Cathedral.

Housed in an old church, this hunting museum holds a collection of mythical bird-rabbit creatures.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

Commonly acknowledged as the only public monument to the Devil himself.