A tribute to Ponce de Leon's supposed quest for eternal youth.

Breathtaking and huge 430 year old maps of Italy.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

A former French military respite turned jungle tourism hotspot.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.

The Avenue of Mausolea is a series of grand palatial tombs.

A collection of 100 brains preserved in jars on the UT campus.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

A museum and shop on Bourbon Street located in the French Quarter.

When ecosystems collide in the arid Southwest.

This hunter-gatherer architecture is believed to be the oldest religious complex known.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A limestone wonderland of water and subterranean secrets.

Venice's island of the dead.

Slaughterhouse Five opens its dank doors to fans of Kurt Vonnegut.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

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

A white Buddhist temple with a golden restroom.

This famous city eluded concrete detection until the early 2000's.

The history of radiation is on safe display at the foot of a radiation science laboratory.