This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

Known as the most scenic route in Sri Lanka, this train line is steeped in history and offers an unparalleled view of the country.

A military fort has guarded the surrounding area from this key position since the 13th century.

A forgotten and crumbling Yugoslav monument to the victims of fascism.

This historic cemetery was inaccessible for several years due to dozens of land mines.

Oriental bazaar in the heart of Sarajevo.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

This top-secret nuclear bunker hidden in a Bosnian mountain has been converted to a modern art exhibition space.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

The inspiration for the Patagonia Clothing logo, Cerro Fitz Roy turns pink at sunrise.

Stenciled handprints and wall paintings dating back 10,000 years, some of the earliest forms of cave art.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

This historic, palatial theater is now one of the world’s most beautiful bookstores.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

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

A refurbished locomotive from a bygone era in the middle of the Jordanian desert.

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

The walls of Germany's Parliament still show the scars of the Red Army takeover in World War II.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

This ancient market is often referred to as the oldest shopping mall in the world.

Unscathed for almost 2,000 years, the best preserved Roman triumphal arch is in a small southern Italian city.

It took more than 300 years to build this church, which is home to two sacred vessels believed to hold the blood of Christ.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

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