Pennsylvania’s creepiest roadside attraction is a haunting example of roadside kitsch.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

A tiny slice shop hides down an unmarked hallway in a Las Vegas casino.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

A collection of haunted objects and macabre oddities under one roof.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Birthplace of America's first documented serial killer.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

An awe-inspiring mosque in Morocco with one of the tallest minarets in the world.

The rubbery beast is sculpted from recycled materials.

Thousands of narrow alleyways in an ancient medieval city make up what's believed to be the world's largest car-free urban zone.

Enjoy fresh-baked bread and fish from a repurposed Portuguese fortress.

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.

Founded as a refugee camp, now a popular tourist spot.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

Designed as a labyrinth, this subterranean prison was crafted without bars or doors.

The true depths of these stunning Moroccan caves are unknown.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

Crumbling necropolis set high above Fez.

This amazing oasis of art and plants is hidden on the outskirts of Marrakesh.

Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.