The smallest island in Manhattan is a manmade landfill dominated by a Buddhist peace arch.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

The highest rapid transit station in the world.

Mosaics, storks, and brothels—this ancient city has it all.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

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

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

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

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

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

Traditional 11th-century outdoor tannery.

The courtyard of this small Marinid madrasa is a dazzling example of intricate Islamic architecture.

The oldest known university in the world is in Fez, Morocco.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Known as the "Finger of God," a dramatic rock formation resembles a divine hand extending towards the heavens.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The final resting place of New Orleans' most famous voodoo priestess.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A snapshot of the city's fascinating voodoo culture.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.