This roadside attraction looks like a flying saucer parked atop the tundra.

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

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

The blinking light atop the iconic landmark has been sending secret messages for decades.

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

Traditional 11th-century outdoor tannery.

These wooden balconies that are both decorative and functional.

This sprawling woodland estate was the brainchild of iconic American industrial designer Russel Wright.

A terrific purveyor of natural history objects and curios.

The highest tides in the world come in and out here twice a day, allowing you to essentially walk along the ocean floor.

The story behind the mysterious symbol painted in front of the historic university's famous Rotunda.

Peaceful gardens hide an underground torture museum.

A memorial to an ill-fated Holy Land mission once described by Mark Twain as “a complete fiasco.”

This glamorous old building is said to have inspired the Tower of Terror.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The only land territory disputed between the U.S. and Canada.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

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.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A cluttered and astounding collection of antiquities and curiosities.

This Swedish automobile graveyard is a beautiful gallery of decay, but woe be to any who would steal a souvenir.