Human ancestor’s 3.6 million year-old footprints.

These strange piles of magnetized volcanic ash travel across the desert about 50 feet per year.

Freddie Mercury's childhood home is now a monument to the iconic Queen rockstar.

This sacred, circular cave is lined with pools so clear and still that it's hard to tell where the water begins.

Stunning ruins of what was once the center of one of the greatest empires in East Africa.

The largest game reserve in Africa is home to thousands of species but refuses to house humans.

Storyville was New Orleans' historic red light district and hotbed of jazz music, sometimes referred to simply as "The District."

According to one local tradition, the entrance to the Voodoo underworld can be found in New Orleans through seven gates scattered throughout the city's French Quarter.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

One of the highest emergency huts in the world has been waiting almost a century to give imperiled climbers a place to lie down.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Late at night, the bust of the "Dracula" actor was snuck onto the facade of this Budapest castle.

A Hungarian pharmacy museum with a box full of mummy powder.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A once-fairy tale mansion now stands in a state of disrepair.

A line of disused military bunkers built to defend against Nazi invasion lies hidden on the outskirts of the city.

The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

The 700-year-old fortress was the site of Count Orlok's castle in "Nosferatu."

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.