Ute tour guides have been sharing the ancient dwellings and rock art inside this large park with visitors for more than 40 years.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

Up-close opportunities to see working birds of prey.

This dynamic entertainment venue brings a much-needed funkiness to the region with its bizarre art, eclectic films screenings, and peculiar performance pieces.

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

An ADA-accessible trail and deck offering stunning views of Colorado’s Mount of the Holy Cross.

This old train trestle and collapsed tunnel once allowed the railroad to negotiate the steep slopes of the Colorado Rockies.

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

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

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

Climb to the top of this spiritual tower, and you'll be rewarded with spectacular views.

This remote Colorado canyon is home to the second-largest collection of natural arches in the world.

The flow from this waterfall sometimes comes out of springs below its rim.

A vast array of tropical plants collected by a vacationing couple.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

When North America was covered in ice, this was an oasis in the frozen desert.

This patch of old-growth forest is home to Canada's gnarliest tree.

A remote landmark named for a whimsical photograph taken by a 1850s photographer and his crew of graffiti artists.

Over 400,000 birds spend their summers nesting on this small Arctic island.

Watch bison, elk, and other wild animals up close at this national park.

More than 50,000 gannets claim the cliffs of Bonaventure Island.

Try the alligator at this fondue spot, which has been catering to "lovers and hedonists" since 1967.

An outcropping plays host to the largest collection of pre-contact petroglyphs in Saskatchewan.