Sacred Buddhist home of some spiritual monkeys.

Everything from a plane to your own two feet are needed to reach this jungle resort.

A bizarre roadside attraction and the first instance of miniature golf in the world.

A landscape of massive spherical boulders are the main attraction in this Kansas State Park.

Home to Hollywood history and a very special salt crystal.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

Erosion and time have created a naturally-formed water park.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A reproduction of earth's many biomes.

The world's longest known cave system.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

Famously misunderstood wonder of the ancient world

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

Self-built house and sculpture park where the creator can still be seen in a glass coffin.

A clear example of the process of erosion in action.