A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

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

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Dedicated to this region's early settlements and rich history of salt mining.

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

A Swiss amusement park entirely dedicated to the theory of ancient astronauts.

A faithful reproduction of Al-Jazari's enormous water clock.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

This enormous sports car themed amusement park is home to the world’s fastest roller coaster.

This futuristic building is yet another architectural wonder in Dubai.

This artificial archipelago was supposed to resemble a map of the world.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This indoor ski resort has a mountain contained inside a mall.

Billed as the "largest natural flower garden in the world" this Middle Eastern show field has little competition at 45 million flowers.

A centuries-old forgotten underworld lies beneath Malta.

At more than 5,000 years old, these structures are among the oldest free-standing stone buildings in the world.

With over 10,000 lights, this engineering marvel lights up the city after dark.

A lively circle of dancers in the Georgian capital commemorates an ancient rite of spring.

When the Soviets destroyed the historic Armenian monastery they somehow left its bell tower intact.

You'll find just about anything in this funky Tbilisi flea market.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.