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

Rusting railcars and locomotive equipment fill this Ethiopian train graveyard.

The Earth's saltiest natural body of water belches toxic gas.

Ethiopian standing stones featuring remarkably preserved carvings of swords and people.

The skeletal remains of the famous hominid "Lucy" were found at this spot.

A powerful tribute to the victims who suffered under Ethiopia's most devastating regime.

An ancient Ethiopian cave church is endangered by the simple building of a road.

An ocean in the making, in the Ethiopian desert.

Massive stele returned to Ethiopia after 70 years in Rome.

Supposedly this Ethiopian chapel holds the Ark of the Covenant, guarded by virgins who cannot leave the building.

Reaching the "Church in the Sky" requires scaling the cliff face of a sandstone pinnacle with a 650-foot drop.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

The world's only pure blue lizard lives exclusively on this secluded tropical island.

The caldera of this mini-volcano has been turned into a naturally heated mud bath.

This fountain was once heralded as the largest in the world.

30 years worth of pressed-tin, bakalite, and characters both loved and forgotten.

This house is one of the most colorful in the country, and is the last remaining example of a historic villa.

The highest pedestrian bridge in Singapore looks like a series of undulating waves rising between two public parks.

The busy transport hub is home to the tallest airport slide in the world.

This $62 million dollar temple was erected to house one little dental fragment of religious history.

Singapore's landscaping project is home to 18 incredible Supertrees.

A museum in a law office, filled with authentic and counterfeit goods.

A condom-covered Thai restaurant that is more concerned with birth control than food.