This beautiful 19th-century temple stands atop the ruins of its predecessor.

Go surfing on this urban wave, "hacked" by local surfers.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

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

The beautiful, ornate weather station is the most popular geocache in Salzburg.

Op-art architecture designed for happiness.

A man throwing a giant severed hand towers over Antwerp’s main square.

Drink among marionettes at this pub inside a historic puppet theater.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

Sweden's oldest animated sign is still lighting up the skyline today.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

1,300 chamber pots and their eccentric collector.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

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

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

The gaunt visage of this angular Christ giant is enough to put the fear of God into all who see it.

An ongoing medieval tradition of communal pig husbandry is honored with a handsome granite sculpture.

The world's first electric battery-powered submarine.

Long tunnels run under the ancient chariot racing circuit to the tower.