A prehistoric rock shelter that's literally in someone's backyard.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

Travel through the wholesome amusements of yesteryear at this charming miniature village.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

This massive home was constructed by one of the greatest conservationists in Colorado history.

The final resting place of American icon Buffalo Bill, and a museum that aids in telling his tale.

This deserted Gold Rush town is home to a Masonic lodge that, strangely enough, still holds meetings.

Central City celebrates its most famous madam by racing beds down Main Street.

Toss a Frisbee through the ruins of this Colorado gold mining town.

This iconic science fiction house still looks like something from the future.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

This picturesque ghost town is located on the banks of the Suwannee River.

Georgia may have been on his mind, but this memorial in Florida shows that Greenville was really Ray Charles's childhood home.

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

How Quincy, Florida became the richest town per capita due to one man's shrewd business acumen and taste for fizzy drinks.

The ruins of a creative scholar's fantastical unfinished sanctuary act as his massive gravestone.

This small museum is dedicated to the history of Havana and Florida's once-booming tobacco industry.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

This 15-foot former Johnny Appleseed has given up his apples for donuts and coffee.

This fairytale-inspired cottage was created by a university literature professor.

This historic headstone is said to mark the final resting place of a doubly-dead white witch.

This former prison is an Art Deco masterpiece with a past full of civil rights flashpoints.

The haunting remains of a failed housing development can still be found behind the big box stores that were to anchor them.