This playground sculpture of an icon from the past is dedicated to the children of the future.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

One of the world's most complete mineralogical collections.

The gorgeous murals at this open-air museum form the largest street art collective in Chile.

One of the world's most advanced radio observatories sprawls across the Atacama Desert.

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

The hellish conditions of this abandoned mine that snakes beneath the Pacific Ocean gave it its diabolic name.

The ominously named cave is home to some remarkable ancient art.

The largest geyser field in the southern hemisphere is a spectacular sight.

The “City of Stairs” sits high in the Andes, above the world’s largest underground copper mine.

One of the largest ancient geoglyphs in the world is a tall desert god used for predicting the weather.

This enchanting rainforest hotel looks as though it grew from the forest itself.

In the most arid desert on the planet, the world's leading telescope allows astronomers to see more than has ever been seen before.

This was once the center of the Birdman cult, and is now a World Heritage Site.

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

This Japanese-inspired labyrinth of hot springs is hidden in a Chilean forest.

This quiet bird sanctuary on the Danish coast is home to something not usually found in a conservation area: hunters' cabins.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

Considered one of the most haunted places in Europe, this 800-year-old castle was home to noble prisoners.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

From buck blood to Theriak miracle tonic, this collection of Renaissance chemist's gear look's like a wizard's pantry.

The decaying remains of a 1960s mechanical wonderland that never officially closed.

Preserved "bog person" that is over 2,000 years old.

An abandoned lighthouse awaits its destiny: being buried under shifting sand.