A mural of the Virgin of Guadalupe painted on the rock wall by canyon's religious namesake.

Unlike most arches, this geological oddity formed in a volcanic dike.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

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

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

An innovative local park built from an abandoned sewage treatment plant.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

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

An antique narrow gauge railway line still running through the Colorado and New Mexico mountains.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

Giant telescope mirrors built in a spinning furnace under a college football stadium.

Each year, teams of the world's best snow sculptors have 65 hours to create frozen masterpieces.

The largest dinosaur trackway in North America is tucked away among this canyon's ghosts and archaeological gems.