A battle between nature and architecture in the Cambodian jungle.

Khmer Rouge's high security prison.

A gruesome memorial for those lost in this area during the Khmer Rouge genocide.

5,000 skulls in memorial to those killed by the Khmer Rouge.

A shrine built to combat the bad karma of a commercial venture.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

These engineering masterpieces are a dominant feature of the Belfast skyline.

A museum marks and documents the site of the Titanic's launch.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The modern birthplace of Irish freedom.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

At Ghana's largest wildlife refuge you feel like you're right in the animals' backyard.

Where thousands of slaves passed through the "Door of No Return."

The souls of the dead have made these Ghanese crocodiles shockingly docile.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

Ornate, dome-topped cenotaphs fill this royal crematorium.

The world's second-largest sundial, made entirely out of stone.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

Every year, the colorful murals of Montreal get a complete makeover.