"Singing sands" and the world's largest hourglass reside near Japan's Kotogahama beach.

One of the world's largest tanks mimics the experience of watching rare whale sharks, giant rays, and deep sea creatures from the ocean floor.

Secret North Korean passage discovered below the world's most dangerous border.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Three columns of volcanic rock shoot out of the ocean.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

World's largest Christmas store.

Trade in that pesky human soul for cold-hard circuits.

Lovingly nick-named the "Brick Dick" this municipal tower was winner of the World's Most Phallic Building Contest.

A steaming, boiling hellscape sources Hokkaido's thermal baths.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

The largest volcanic caldera in Japan holds an entire city in its maw.

Closed for decades, this strange symbol of Japan's Expo '70 has finally opened its psychedelic insides to the public.

Peace Park and the Atomic Bomb Dome.

The Buddhist temples of Yamadera, built into a mountain side, feature a viewing deck with sweeping views.

This ancient temple is set up to take you on a pilgrimage of self.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

A 20-meter (65-foot) robot towers over Tokyo Bay.

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

Meet the world's longest tapeworm in a collection that really gets under your skin.