A fiery crater has been burning in the Karakum Desert since 1971.

Few people have ever heard of, let alone visited, one of Turkmenistan’s most impressive natural attractions.

Swirling layers of white and red rock earned these mountains their festive nickname.

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

Thousands of fossilized footprints speckle this Bolivian national park.

A mysterious ancient network of thousands of perfectly straight lines stretching across miles of Bolivian desert.

Death road of Bolivia.

Astronomical observatory above Lake Titicaca.

This lake’s emerald green waters are a spectacular sight, but it’s not a great place for a swim.

A desert that evokes the surreal.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.

This red lake 4,000 meters above sea level is home to rare flamingos.

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

The rusty hull of this 1899 ship serves as a tribute to explorers of the bottom of the world.

A 63-foot-tall swinging ball hypnotizes passersby, and proves to any remaining doubters that the Earth is spinning.

This observatory high on a hilltop in the center of Santiago got its start in 1852.

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

A fantastical and futuristic temple of light built from nine monumental glass veils.

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

A beautiful deserted greenhouse in the middle of a park.

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.

A fantastical group of cliffside stairways, bridges, and twisting paths carved out of stone provide a surreal coastal hike.