In Egypt's expanding metro area, many of the neighbors are dead.

Held in a fort that once stood for colonization of the area, this museum now tells the history of its indigenous people.

This massive Brazilian church is built like an angular, technicolor pyramid left by Mayans from the future.

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

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Death rituals and sacrifice inside a Peruvian megalith.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

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

A clear example of the process of erosion in action.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Largest cave system in Africa.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

This little Greek plateau is home to thousands of rustic, white-sailed windmills.

A Lycian city of the dead carved into the hillside of Southern Turkey, complete with startlingly human touches.

Hidden just under the waters around this Turkish island are the ruins of a once great city.

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This stunning French estate was so lavish that it landed its original owner in jail for the rest of his life.

The bomb-ravaged remains of of a colossal Neptune.