The world's longest tunnel with an undersea section.

The tallest bronze seated statue of the Buddha in Japan.

Celebrating the famous Nebuta festival of Aomori and showcasing its huge papier-mâché floats.

These Japanese ruins have been brought back to life with elaborately recreated buildings.

This mountain's identity is stuck somewhere between a nightmare and a scenic tourist attraction.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."