The vast, legendary catacombs hold secrets much stranger than stacked bones.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

A museum of magic with a Sadist past.

After a short 5 year run, this former major theme park sits in ruin.

Okinawan dining in a twenty foot tall, man-made tree house overlooking Naha Harbor.

The abandoned Japanese amusement park once loomed as a dystopian Disneyland.

A culturally significant rural temple in the beautiful mountains of Itoshima.

These tiny pine-covered islands have inspired art and poetry for centuries.

A wooden prison doesn't sound like a good idea, yet this abandoned 1950s detention center still stands today.

This massive, Edo Period, coin-shaped sand painting is believed to be a source of great luck.

Once the main gateway to Tokyo, sneaking through this checkpoint was a capital offense in feudal times.

This volcanic island in the Pacific just keeps growing and growing.

This iconic sluice gate is a favorite haunt for joggers, fishing enthusiasts, and even ghost hunters.

An enormous pair of straw sandals woven in the traditional way—to keep demons at bay.

Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

The world's largest radiation field is probably our best bet for irradiated vegetable superheroes.

Nestled in an unassuming residential area, this "forbidden forest" is rumored to spirit away those who dare to enter.

A quaint amusement park now sits, rusting and forgotten among the foliage.

A flight of this "ghost staircase" has 40 steps on the way up, but only 39 steps on the way down.

The world's longest tunnel with an undersea section.

This giant seated Bhudda of Healing dates to the 1780s.

Constructed thousands of years ago, these stone circles offer incredible insight into the lives of the people who built them.

A 14th-century European chapel sticks out of the facade of a Japanese hotel.