This small turbine mill along Rocky Creek was built in 1928

Rusted and decayed, this former mining site is a portal to the past.

This unassuming riverbank is Missouri’s first designated site in the National Underground Railroad Network to Freedom.

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

The famous greeting card maker owns a collection of paintings by the famed surrealist.

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

This otherworldly church spire reaches up toward the heavens.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

A chessmaster's dream destination.

This historic motel standing at the "crossroads of America" offers a radio in every room and was saved by local protesters.

A kitschy, creepy St. Louis mainstay.

Like Stonehenge, but with boats and oodles more charm.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

A remarkably opulent mansion with a tragic history.

This historic cliffside mansion uses a natural cave for air conditioning.

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

The oldest bar in Missouri is hidden within a limestone brewery cellar more than 50 feet underground.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

This mosaic-covered bar is brimming with curated curios.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

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

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

This 40-foot fowl marks the so-called "wild goose capital of the world."