This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

There's a labyrinth of medieval chambers hidden deep below a 15th-century pub.

This 14th century wine cellar is home to the oldest barrel-stored wine in the world.

The burial place of an obscure North African saint was turned into a macabre body preservation factory for the 17th-century Neapolitan elite.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.

Deceased nuns were placed on stone chairs to decompose, while the surviving nuns prayed near the lifeless bodies.

The rest of him lived another 61 years and was buried elsewhere.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

A silly medieval mural preserved on the side of a Viennese house.

Crumbling pink walls and murder memorials preserve the pioneer history of Joshua Tree.

The ghostly remains of an accidental sea.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

Lemon Grove, California is known for its giant lemon...and mummified bodies.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

Renaissance villa and gardens complete with a tormented colossus.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

An ancient underground cultic temple where sunlight penetrates on the summer solstice.

The ancient necropolis houses the immense rock-cut tombs of four Persian kings.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

Tour the original street level of Port Angeles, buried underground in 1914.

Ancient human, animal, and geometric figures drawn in the earth.