Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

Curious rock formations in a tiny Kansas state park.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

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

This erect, phallic geological spire wasn't always named so domestically.

An experimental, automotive replica of Stonehenge.

An entire city block built completely out of petrified wood.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

Despite repeated attempts to make it work, this former mining town is now nothing but dust and memories.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

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

A waterfall 600 ft. inside a mountain, once the bane of gold miners, is now a spectacle of nature.

The first declared National Monument in the United States.

Devilish landscape, once cinema home to giant alien bugs, now derelict roadside attraction.

This massive and unusual rock formation near Okotoks is the world's largest known glacial erratic.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

The remote outlaw hideout of Jesse James, Butch Cassidy, and the Sundance Kid.

Home to the deepest rift anywhere on Earth.

Native Americans built this circle of stones, which was used to predict astronomical events.

One man's ambition created this psychedelic log home.

An architect's childhood fantasy treehouse made real.

Blackfoot petroglyphs of southern Alberta which date back as far as 7000 B.C.

Derelict buildings are all that remain of a complex at the site of one of the worst mining disasters in Montana history.

A smoke stack so large, the Washington Monument could fit inside!