The legacy of an unsolved, gruesome murder rests beneath the spans of this historic bridge.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

This Mediterranean castle was built for a millionaire and his giant dog.

In the loving memory of a tragically deceased role-player this Illinois park is decked out with both dungeons and dragons.

Where the author wrote her beloved "Little House" books.

Away from the crowds of fishing enthusiasts, take a hike deep into the woods and journey into an eerie darkness.

European castle ruins in an American state park are actually the product of death and grief.

The largest riverfront opening cave in the Ozarks.

Often referred to as the largest spring in America.

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

This small turbine mill along Rocky Creek was built in 1928

It's as if the herds walked straight out of a fairy tale into the Missouri wilds.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

A flat slab of stone perched hundreds of feet above the Gasconade River in the northern Ozark mountains.

These pink granite water slides are the result of millions of years of erosion.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Come for the heirloom-corn whiskey, stay for the wood hats.

Some of the oldest exposed rock formations in the United States.

Nestled in Onondaga State Park, over 100 canoes carefully stacked in a replica of the famous standing stones.

During the 19th-century, this park was a vital trading fort.

The world's largest man-made underground caverns offer unparalleled underwater wonders.

A late sculptor's last project was to turn this abandoned cement factory into a castle-themed amusement park.

One man's unrequited love stands in a glass box forever.