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

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

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

The world's most remote airport.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

An ancient knight and a symbol of the city's freedom.

An apparition of Virgin Mary in Herzegovina.

A daily pyrotechnic celebration marks a beloved tradition during Valencia's festival season.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

Gigantic Romanian salt mines used to heal respiratory conditions.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The world's first cruise ship-shaped hotel is perched atop a cliff.

Numerical symbolism abound at East Asia's oldest observatory.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Sleep in a glass pod dangling off a cliff.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

Plundered and left asunder by grave robbers, this ancient necropolis has been painstakingly pieced back together.

Nazca pilgrimage site covering 370 acres is a popular stop for archeologists and looters.