The childhood home of Henry Jones Jr. is now an adventure-themed bed and breakfast.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The first railway tunnel to cross the Continental Divide and, at 11,523 feet, was once the highest railroad tunnel in the world.

This nearly abandoned town was once a thriving mining community until a series of fires.

Colorado's oldest church is now home to the largest handmade adobe labyrinth in the world.

The site of the gruesome massacre—and maybe cannibalism—of five men, a tragedy that made Alferd Packer infamous.

The temporary burial site of the man who shot and killed Jesse James.

A fake mine that was made using real mining techniques which is also used as a community center.

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

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

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

When ecosystems collide in the arid Southwest.

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

This razorback ridgeline has doubled as a scenic drive since the early 1900s.

The narrow mountain road that carves a path between Florence and Victor is tied to ghost towns and ghost stories.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

The highest bridge in America was built for an almost unnervingly small amount of money.

Meet Rita the Rock Planter, one of Danish sculptor Thomas Dambo's enormous wooden trolls.

A renovated hotel is bringing new life to a nearly-abandoned mining town in Colorado.

Thanks to a quirk of elevation this gift shop produces magic doughnuts that are found nowhere else on Earth.

A brick-paved former section of the historic coast-to-coast highway.

The home for all things Kool-Aid offers everything except a chance to actually enjoy the drink.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

A half-mile long and three stories high, this bridge over the Des Moines River Valley mimics a descent into a mine shaft.