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.

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

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

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

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.

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.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

What was once a communal kitchen now serves heaping portions of hearty German fare.

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

Though it's thrived abroad, this forgotten Dunkin' rival has just one store left in the States.

A notorious Route 66 eatery once frequented by Al Capone.

A piece of John the Baptist in the American heartland.

These elevated trucks were put in place as a middle finger to The Man, but are now considered folk art.

Kentucky's anomalous peninsula projecting into the Mississippi River, site of legendary earthquakes and local feuds.