The history and future of cannabis.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Theme park featuring miniature replicas of European monuments.

The tiny Belgian town's ancient version of Mardi Gras involves eerie wax masks, sticks for warding off evil, and ostrich plume hats.

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

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

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

The other side is actually green.

Morocco's Argania trees are infested with nut-hungry goats.

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

World's largest film studio, where visitors tour the decaying sets that litter the harsh desert environment.

A fortified city, home to a remaining population of five families

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

Brightly painted boulders scattered throughout the Sinai Desert.

Slum Settlement Filled With Mountains of Garbage.

There must be a pun in this haystack somewhere...

A bit of retro transportation flair preserved in the world's largest department store.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

100 year tradition of fist fights, marked by marble footsteps.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

Venice's island of the dead.