Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Home to Hollywood history and a very special salt crystal.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.

Piled high inside this warehouse and coffee shop are salvaged goods that span every corner of the globe.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

Buenos Aires' city of the dead contains some very famous remains, including Eva Perón.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This fairytale-like structure is the last turf church ever constructed in Iceland.

One of the Eight Wonders of Kansas and the first official National Natural Monument these stark formations look like nature's Stonehenge.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

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

A phenomenal assembly of pueblos in New Mexico is the most complete example of ancient ruins north of the border.

A multi-storied adobe complex has been inhabited for more than a thousand years.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

A mysteriously dark cemetery monument fuels stories and legends galore.

The oldest university museum west of the Mississippi retains its 19th century feel.

This simple home was the beginning of a long journey for the iconic Western film star.

Millions of dollars worth of sculpture decorate this Iowa city center.

This zombie-themed restaurant stands out in the heart of corn country.