A small flooded ghost town with a few scattered structures remaining.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

Final resting place of a 19th century gold prospector and convicted cannibal.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Built by prisoners of war, the largest small-scale model ever built includes eight miles of tiny streams that now sit abandoned.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

This forgotten beach house built to look like a Frank Lloyd Wright masterpiece overlooks a hidden beach.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

A downtown park built on top of unclaimed graves.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

A technicolor place of worship for Elevationists.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

The highest bridge in America was built for an almost unnervingly small amount of money.

When ecosystems collide in the arid Southwest.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

This naturally-sourced hot spring is now home to a clothing-optional resort.

The largest self-built castle in the U.S., six decades in the making.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

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