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

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A series of playful yellow penguins share a serious message about the environment.

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

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.

This automated sculpture of two men peeing will spell out text messages with their micturition.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

What looks like a suicide in progress is actually a statue of Sigmund Freud.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

This scale model of our solar system hid in plain sight for years before a physics team sought out all the planets.

Where the lovelorn find a home for their sentimental keepsakes.

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

The first museum in the world devoted to sexual gadgetry.

Macabre astrological automaton clock dating to the late 1400s.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

One of its engravings is believed to be among the first representations of medical and surgical instruments.

These Egyptian statues have survived for 3,400 years and were an acoustic wonder of the ancient world.

The largest known Ancient Egyptian obelisk.

Ozymandias’ time-keeping temple.

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

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.