An eerie, little-known Neapolitan museum filled with preserved human remains.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

A labyrinth of ancient tunnels hidden below the city holds the ruins of 2,500 years of history.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

The Neapolitan Cult of the Dead still cares for the skulls at this mini-Fontanelle.

The remains of the left arm of the levitating philosopher-saint are kept in a 13th-century Neapolitan basilica.

The sacristy of this church contains remains and relics of members of the Aragonese royal family.

Richard Luke Concanen never set foot on American soil.

Locals pay their respects at a shrine to soccer player Diego Maradona—which claims to contain a real lock of his hair.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

Mysterious Incan ruins on a tiny island in Lake Titicaca.

The soaring gondola lines form the longest aerial cable car system in the world.

Museum dedicated to the sacred leaf of the Andes.

In La Paz's huge, city-sized cemetery, the deceased are stored in rows of apartment-like buildings.

Over a millennium ago, this site on the shores of Lake Titicaca was home to a city of more than 10,000 people.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

The celebrity luchadores of La Paz are tough ladies in traditional petticoats and braids.

This 16th-century monastery was founded to cloister the daughters of wealthy local families.

These ruined Incan mausoleum towers still bear carvings of sacred animals on their blocks.

The Uros people live on floating reed islands in lake Titicaca.

A Christian monastery stands on what was once a holy Incan temple.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.