A plaque marks the spot where the saint was shoved off the Charles Bridge and into the river.

A surreal statue honoring Prague's favorite literary son.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A Jenga-style cylindrical tower of books that appears to go on forever.

Macabre astrological automaton clock dating to the late 1400s.

Two stunning 17th-century libraries and a cabinet of curiosities.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Tiny memorials honor individual victims of the Holocaust.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Devilish masks, handicrafts, and pieces of old buildings create a snapshot of life in a historic Alpine region.

This splendid tomb may look fantastic, but there's nothing in it...

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

Visitors dating back to the 1600s carved their marks in the stones of the iconic tower.

There has been an astronomical clock on this spot since the 14th century.

Equipped with thousands of LED lights, this geodesic dome-shaped stadium is an engineering delight.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

This imprint of an old computer keyboard has a unique backstory.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

A temporary art piece to celebrate LGBTQ Pride is now a permanent part of Stockholm's traffic landscape.