One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

Years of archaeology, just chillin' by the water cooler.

A speakeasy takes on Chicago's drinking culture.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

This interpretive path lets you get up close and personal with dinosaur bones.

A striking, menacing sandstone peak towering above a landscape that's equal parts Mordor and the Moon.

Ancestral Puebloan ruins, natural arches, and box canyons abound in this seldom-visited corner of Monument Valley Navajo Tribal Park.

This once-popular otherworldly landscape was formed by one of the largest volcanic eruptions in history.

Despite being one of the most photographed vistas in the Rockies these twin peaks are rightfully known as the "Deadly Bells."

It takes a nine-mile hike to reach these hot springs, but weary hikers are rewarded with stunning views and a warm soak.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

This volcano rises like a giant anthill from the plains below, with a road spiraling up to the rim.

This unassuming layer of clay boasts an out-of-this-world origin story.

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

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

The largest source of fossilized insects anywhere.

A home covered with elaborate mosaic and other pieces of art.

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

A research lab and hands-on museum where visitors can experiment with retro technology.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.