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.

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

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

Skyscraper powered by wind turbines attached between its towers.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

Defy gravity at this fascinating Pyrenees overlook platform.

This 220-year-old house is a reminder of New York City's Dutch past.

An artist's cute bronze subway sculptures belie his violent artistic past.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

This building has survived for more than a century and remains virtually untouched.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Amid skyscrapers and traffic exists this unique aquatic ecosystem.

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Arguably Belgrade's only example of pure Art Deco architecture.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A Serbian church lit by chandeliers made of weapons.

Few other hotels can rival the grandeur of the Castle in the Rockies.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.