Lost subway station nestled beneath Toronto's busy commuter line.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Open-air museum with an elaborate sculpture garden, stretching for over 70,000 square-meters.

Legend holds eating just one of these black eggs can add seven years to one's life.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

The original "capsule building" is a masterpiece of Metabolist architecture.

Fine dining in the bizarre world of Lewis Carroll.

Starship-temple contains 400 tons of drinking water and offers free Japanese lessons.

The remains of what was, not so long ago, the world's largest city.

A battle between nature and architecture in the Cambodian jungle.

North Korea's massive "hotel of doom."

Large Hadron Collider and the Birthplace of World Wide Web.

The ghostly remains of an accidental sea.

A huge musical instrument played by the ocean.

A nondescript building that's been functioning as a speakeasy for nearly a century and a half.

San Francisco's urban bison herd has persisted in the face of extinction, development, and disease.

The only theatre in the world constructed specifically for sound movement.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

Olfactory delights in San Francisco's Botanical Gardens.

A mysterious painting of the self-declared Emperor of the United States watches over a local hof-brau.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

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