The 10th-tallest pyramid in the world, this former sports arena is now home to a massive Bass Pro Shops store.

Before its closure in 2002, this South Dakota mine was the largest and deepest gold mine in Western Hemisphere.

Built in 1797, this is Mississippi’s most haunted house.

A little slice of 19th century France tucked away in the Colorado mountains.

Explore Zimbabwean art in the heart of Colorado.

A marble cornerstone marks the location of what could have been a presidential palace.

This jet-infused peak marks the traditional northern boundary of the Navajo nation.

The oldest producer of embroidered Western wear.

More than 100 steam and diesel locomotives bring Colorado’s rail heritage to life.

Between a bike path and the South Platte River sits a piece of modern space history.

Millions of years of erosion created the feature for which this rock formation is aptly named.

The former home of the army detachment that captured Geronimo.

This open-pit mine is now an abandoned symbol of Bisbee's copper-mining heritage.

Browse an impressive collection of passenger and military aircraft dating back to World War II.

One of the world’s most powerful corporations was established on a random Albuquerque street corner.

This sidewalk tribute honors Colorado's great culinary creation.

The start of the group that straightened the teeth of a nation.

Lured here by the promise of tens of thousands in gold, Jesse James started a quintessentially American trend of robbing trains in-motion.

Snapshots of late 19th and early 20th century Americana, focused on life on the plains, are displayed in this museum.

The final resting place of a legendary science fiction author and his fraternal twin sister who died as an infant.

A pair of gargoyles peer into unsuspecting passengers at Denver’s conspiracy-packed airport.

A brick-paved former section of the historic coast-to-coast highway.

A life-size bronze statue of Ettore Boiardi, the man behind the can.

The notorious couple camped at this site after a bloody shootout with police.