Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

This quiet park's strange sedimentary spires were named after Kodak's color film.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

A replica that won't float away.

Home to a timed geyser created by complete accident.

A rapidly disappearing glacier filled with extinct grasshoppers, perfectly preserved in the ice.

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

No Gordon Lightfoot song, only a barebones monument to greed.

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

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

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.

One man's ambition created this psychedelic log home.

A beautiful geyser under environmental threat.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

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

An eclectic assortment of medieval architecture in a small Iowa town.

This massive railroad spike celebrates the 1939 premiere of the movie “Union Pacific.”

An obelisk commemorating Lincoln's role in connecting the coasts.

Walk the whole Mississippi River!

This popular park is home to a sea serpent sculpture that now overshadows the twisted history of its creation.

The Ozarks' strangest dwelling.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.