Science fiction's grandfather has a fittingly marvelous tomb.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

A market for witches is hidden within a train station.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

A church of bones, decorated with 40,000 human skeletons.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This small chapel is built of human bones and decorated with a golden skeleton.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This quaint Spanish village agreed to be painted blue as a marketing stunt but found that they preferred it that way.

Founded as a refugee camp, now a popular tourist spot.

A Moroccan getaway in the mountain range that plays the Himalayas' stunt double.

God's Saharan sandbox of wrath.

Traditional 11th-century outdoor tannery.

Mosaics, storks, and brothels—this ancient city has it all.

One of the most spectacular canyons in the world.

A marvel of Byzantine engineering under the streets of Istanbul.

These tombs were built into the side of a mountain so that ancient angels could reach the dead.

Roman ruins top white travertine terraces formed by ancient hot springs.

Roman ruins, natural methane fires and a lovely beach.

Once described as the "Eagle's Nest," this ruined ancient city rests on a remote mountaintop.

Ottoman-era houses lovingly preserved.