The first declared National Monument in the United States.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

This remote Himalayan temple is in danger of being completely washed away by a melting glacier.

This park is the prime habitat for Nepal’s Bengal tigers.

This research hub in the Amazon Rainforest is perched amid one of the world's most biologically diverse landscapes.

An exotic jungle hideaway run entirely by indigenous Kichwa women.

The oldest continuously-operating Chinese restaurant in the United States has been in business since 1911.

The rocks of a certain area of Butte, Montana give off a musical ring when hit.

The highest point in Montana is as rugged and singular as the state itself.

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

This beautiful ancient site is dotted with perforated sandstone pillars considered sacred by some Native American groups.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

"Polynesia on the Plains."

This giant meditative chakra sits peacefully in the Flathead Valley of western Montana.

Cross the Continental Divide through an old railroad tunnel, and ride back to the top on a shuttle.

Natural rock water slides hidden in the remote forests of northern Idaho.

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

Toss a Frisbee through the ruins of this Colorado gold mining town.

This Boeing KC-97 tanker is now a restaurant for aviation lovers.

Built in 1981 in collaboration with Andy Warhol, this giant piece of pop art stands on the campus of Colorado State University.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

A unique collection of drawings that represent Fremont Native American culture.

Metal water storage tank turned ethereal concert hall.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.