The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

European castle ruins in an American state park are actually the product of death and grief.

The hallucinogenic center of the ancient world.

This legendary city has been a tourist attraction for centuries.

This 15th-century island fortress later served as home to the executioners no one wanted to live near.

These ancient ruins hide in plain sight next to a dessert shop.

The only surviving choragic monument is a trophy awarded in 334 BC for the winning dramatic chorus.

A Byzantine church containing the holy remnants of three saints sits atop the site of an ancient temple.

Where commuters walk through remnants of an ancient Greek necropolis.

A sharp sculpture made of thousands of pieces of jagged glass.

An unexpected but incredible collection of wildlife dioramas spanning rainforests, swamps, forests, and plains.

A visionary, futuristic sculpture in Los Angeles that never met its extraterrestrial potential.

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

Macabre museum devoted to historical Viennese murders.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

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

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

A sculpture of the beloved author surrounded by characters from his fairy tales.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

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

This lurid German fountain plots the sad course of marriage from dating to death.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.