This incredible stone temple is a monument to death, victory, and fantasy architecture.

Small church on top of a huge rock column.

Wonderland replication in progress by one persistent man.

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

Children's literature inside, forest all around.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

This picturesque mansion has gone from opulent ruin to nature museum.

A German apartment building hosting as many trees as human occupants.

These mammoth-yet-narrow crevasses in the Earth are perfect for taking an otherworldly swim.

A bizarre house filled with an astounding array of collections.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

This lab's maddening silence is good for business but bad for sanity.

The only arched bridge made of stone on the entire Mississippi River.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.

One of the oldest living oak trees in the Southeast.

Once the hottest nightclub in France, Amnesia now lies in ruins after a 2000 bombing.

The largest greenhouse in the world is home to over one million types of plants.