While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

Atop a small Armenian hilltop adorned with many forms, and carvings, these stones tell a whimsical tale from a fictional world.

In a grove of fast growing walnut trees outside Paris, Illinois, a marker shares the story of a fictional road building culture.

In Grand Rapids, Michigan, a marker honors the creation story of a proud fictional culture.

On the shores of Lake Kalamazoo, a plaque marks a fictional event where an island nation ran aground.

A plaque installed underwater marks the fall of a royal family from an imagined parallel universe—part of a globe-spanning art project.

Part of a worldwide art project, this mysterious semicircle of concrete shapes holds the pieces of a larger story.

This plaque tells the story of an event that took place in an imagined parallel universe.

At the time of its completion, it was the tallest dam in the world.

A devilishly named gorge that was a sign of salvation for many pioneers.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

This shallow pit was once used to send over 20,000 buffalo plummeting to their death.

A small Wyoming town is home to the state's oldest-operating soda fountain.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

A century-old cabin off of Highway 30 touts an unusual construction material: dinosaur bones.

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

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

An architect's childhood fantasy treehouse made real.

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

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

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

One man's ambition created this psychedelic log home.