Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

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

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The only quarter of the Old City not dedicated to a major world religion.

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

You can find America's highest suspension footbridge at Grandfather Mountain in North Carolina.

Over 50 exquisite hand-painted Renaissance maps decorate a Medici storage room.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Drink wine handed out through a window as part of an age-old tradition.

A local student's chance encounter with Keith Haring led to the creation of one of Europe's largest murals.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

The naturally mummified body of a peasant girl saint.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Fortified medieval tower house with lovely roof garden.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

Fountain where visitors can earn a license to be mad.

The venerated body of a 12th century saint is celebrated each year with the 'Race of the Candles.'

What appears to be an ancient Roman temple is actually a Catholic church.

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

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

The walls and streets of the ancient city are peppered with penises.

Pompeii's less famous neighbor is still revealing her secrets.