This naturally heated mountainous creek has created a group of neon blue pools of potentially deadly boiling water.

Eons old volcanic activity created one of the most stunning rock formations in the United States.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

One of the most unusual geological features, recognizable from a dozen hit movies.

This rock formation named for its unique shape is one of many that call the Alabama Hills home.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

The trunk of this 700-year-old tree measures more than 60 feet around, making it the oldest and largest baobab in Sri Lanka.

This sacred fig tree with a link to the Buddha is one of the oldest human-planted trees in the world.

This amazing mountain temple is topped by one of the tallest sitting Buddha statues in the world.

The remains of a 37,000-year-old prehistoric society were discovered in this mammoth cave, one of the largest in Asia.

Seven beautiful 1,000-year-old rock-cut Buddhist statues.

This mesmerizing architectural wonder will take your breath away with its unusual color patterns.

Huge herds of Asian elephants can be seen walking, bathing, and just chilling at this Sri Lankan park.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A colonial-era fort with panoramic views across the East Timor-West Timor border, now home to a hotel.

Ancient images hide within the park's caves.

This crocodile-infested East Timor reservoir is also home to a spectacular half-sunken forest.

No one is quite sure of the origins of these idyllic natural hot springs at an abandoned mountain resort.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

Dating back to 1812, this is the oldest racecourse in the Southern Hemisphere.