Colorado's only active volcano last erupted around 4,000 years ago.

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

A glimpse of a waterfall is reached by a steel catwalk along a slot canyon located in an Ouray city park.

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

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

Colorado's only true geyser is hidden within the San Juan National Forest.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

A spiritual vortex among the red rocks in Sedona.

Outsider Art Community.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

This comprehensive collection features Native American artifacts dating back centuries.

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

The largest and most well-preserved petroglyph site in the Verde Valley.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A once popular resort—said to be the vacation spot of gangster Al Capone—now remains abandoned in the woods of Arizona.

Journey through the largest remaining peat bogs in the contiguous United States to see the wilderness as it once was.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

A calm and comfortable place to hang out with cats and kittens up for adoption.

After the parade, students throw their beads on the tree hoping for good luck on exams.

This city block-long devotional site, a replica of a famous site in France, is dedicated to the patron saint of grandmothers, mothers, and educators.

Colorful, cheeky signs spill out of legendary New Orleans folk artist Dr. Bob's Bywater studio warning you to "Be Nice—Or Leave."

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.