A desert in southeast Asia, complete with a beautiful lake covered in lotus flowers.

Thousands of Haitians travel to the waterfalls to ask the Virgin Mary of Mount Carmel and her voodoo counterpart Erzulie for healing in a yearly pilgrimage.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

Stay in a room with a view... of the bottom of the ocean.

Former WWI oil tanker played a variety of roles in history, its tantalizing rum-flavored scent being the only constant.

One of Chile's most active volcanoes is riddled with beautiful caves.

Named for the DeFoe novel inspired by a stranded sailor, this island is known for its rare plants and extreme beauty.

Northern Ireland's Brobdingnagian stepping stones.

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

Legend says this cave housed a 16th-century cannibal and his family of 48.

A natural arch offers panoramic views of Yangshuo's karst hills.

A tunnel dug through the side of a mountain by hand provides convenient yet death-defying access to a small village in China.

A total of 999 stairs lead visitors through a massive hole in a mountain known as the Gateway to Heaven.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Right angles in the forests of Panama.

A pocket of jungle amidst urban expansion in Panama.

A museum built around a bus-sized fossil on the side of the highway.

Cathedral carved out of salt, located a mile below the earth's surface.

Former drug lord’s manor, now a theme park. Watch out for the hippos.

Only gap in the 30,000-mile span of roads called the Pan-American Highway.

A 10 million-ton rock once worshiped by the Tahamies Indians, accessed by an astounding staircase.

An explosion of natural color known as "the river that ran away from paradise."

Massive volcano in the Andes is the farthest point from earth's center.