This small piece of railroad history sits behind the parking lot of a chain grocery store.

The scene of one of the darkest moments in American labor history has been left essentially untouched since the tragedy.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

This memorial pays homage to Pueblo's four Medal of Honor recipients.

A small store filled with animal skulls and other curiosities.

A downtown park built on top of unclaimed graves.

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

Neal Cassady may still have an open tab at one of Denver's oldest watering holes.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

The huge collection of paintings of the American West is one of Denver's best-kept secrets.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

One of the greatest heroes of the Titanic tragedy came from humble beginnings to this beautiful home.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This sidewalk tribute honors Colorado's great culinary creation.

In a small Japanese garden off a busy Denver street, a memorial to a brave, principled politician.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

Apparently, the whole cosmos emanates from this plain concrete tower.

This centuries-old pueblo church houses the body of a Franciscan friar who is said to be a rare "incorruptible" corpse.

Once a dining hall for boarding school students, this lodge was a popular haunt for nuclear physicists working on the Manhattan Project.

These strange carved boulders in a forested canyon resemble tiny stone villages.

The Home and murder site of the witch of Rehmeyers Hollow.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

A monument dedicated to a local softball team full of clowns.