Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

10,000 flowered plants bloom in the City of Roses.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

A marvel of Byzantine engineering under the streets of Istanbul.

This futuristic building is yet another architectural wonder in Dubai.

This indoor ski resort has a mountain contained inside a mall.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

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

Concentrated around the Dead Sea, these surprising canyons are filled with coursing water, fish, and even crabs.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

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

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

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

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

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

Death road of Bolivia.

A desert that evokes the surreal.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

This red lake 4,000 meters above sea level is home to rare flamingos.

On the outskirts of a desert trading village high on the Andean plain, steel giants have been destroyed by salt winds.

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

A seemingly endless landscape of pure salt stretches far across Bolivia.