These blingy, baubled skeletons lie in glass boxes inside a baroque Bavarian church.

"The most colorful grottoes of the world.

This "floating railway" is one of the world's oldest monorail systems.

Where once there was a train station bathroom, there is now this German burger joint.

The falls were named for the mistaken idea that they were the ones pictured on the Canadian $5 bill.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

These pretty kitties killed and ate as many as 135 railway workers.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

Years of archaeology, just chillin' by the water cooler.

Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

An alchemist's "magic door" stands in the middle of a Roman park.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

In the middle of an extremely unforgiving and desolate high desert is the most secret military facility in the world.

An eatery for UFO seekers on the Extraterrestrial Highway.

A bizarre house filled with an astounding array of collections.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Try not to get slimed in Tribeca.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This cheese shop also houses a museum devoted to Dutch dairy.

This small interfaith chapel lies not far from the rim of the Grand Canyon.