An encyclopedic collection of mammal penises.

Three columns of volcanic rock shoot out of the ocean.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

A once-stately trading fort is now a ruin slowly being consumed by the sea.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.

Step inside Lucy, the world's largest "elephant."

The drama of nature in full effect in this Nevada State Park.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The remains of this ancient fortress atop a manmade hill look as though they were built into a volcano.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

A massive, heart-shaped, wind-carved crater in the middle of the Israeli desert.

Famously misunderstood wonder of the ancient world

An ancient capital city that dates back 3,000 years and harbors many surprises.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

The home of the Dead Sea Scrolls is an abstract modernist dream.

The once highest point in China blends symbolic design with a kick of adrenaline.

An out-of-place slice of France, smack in the middle of Shanghai.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

The 10,000 Torii shrine.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Peace Park and the Atomic Bomb Dome.