This bone-filled cave got its name after they found 140 bear skeletons inside.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

A muddy alien landscape that is home to rare species of exotic plants.

The romantic botanic tunnel feels like a well-kept secret.

No one knows who built this strange cave of worship or exactly why.

Conspiracy theories and occult legends surround this mysterious natural rock formation.

Known as the Hintz House, this medieval pharmacy has been an apothecary's haven for nearly 450 years.

The Natural History Museum that time forgot.

Some call this eerie forest of crooked trees the "Bermuda Triangle of Romania."

Grandpa Rainbow felt the neighborhood needed some color, so he picked up a paintbrush and went to work.

Where the leftovers of love affairs can live on forever.

Japanese island famous for poison gas and fluffy bunnies.

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

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

Bioluminescent firefly squid light up this Japanese fishing port.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Hot springs monkey spa in the middle of Hell's Valley.

A magical place that lets you play in and explore the world of Studio Ghibli.

On Japan's Tashirojima Island, cats are king.

An exquisite tunnel of cascading flowers.

This giant Buddha statue has 125,000 smaller Buddhas hidden inside it.

The small cliffside monastery known as the Tiger's Nest is said to be the meditation site of an eighth-century Buddhist master.