Macabre astrological automaton clock dating to the late 1400s.

Poland's oldest salt mine has nearly everything one needs to live underground forever.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.

This man-made mound monument was built out of soil from all across the Polish empire.

An inspired museum dedicated to the patron saint of enslaved people, inside the cloisters where he lived and died.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

Fossils, railroads, and waterfalls!

Soaring over the Niagara Whirlpool since 1916.

One of the largest underground systems runs under Canada's largest urban center.

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

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Gargoyle head that brings good luck.

Museum dedicated to "the man who moved the Earth."

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

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

Baroque celebration of the end of the Great Plague of Vienna.

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

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

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

Oriental bazaar in the heart of Sarajevo.

An apparition of Virgin Mary in Herzegovina.