A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Less a museum than a bizarre fantasy world created by artists and engineers.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

A sculpture of a giant man escaping from the depths of the Earth.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

Homemade outdoor church and sculpture garden decorated with glass shards.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

This lakefront cottage was crafted in the 1800s and was once a sanitorium.

This cave holds a surprisingly colorful variety of geological oddities.

More than 5,000 contemporary and "historic" mustards from around the world.

A bypass decorated with large wooden troll carvings.

A bronze plaque marks the site of the only show the "King of the Soul Singers" ever missed.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

Whimsical sculptures dot a woodland path surrounding their creator's old summer cottage.

A six-story-tall golden pyramid, surrounded by a moat.

This lush 12-acre site was once named the finest Japanese garden in North America.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

This baseball diamond was home to the Rockford Peaches, a team featured in the hit film "A League of Their Own."

The site of an ancient Mississippian settlement that appears to have flourished during the 10th to 13th centuries.

This supper-club-turned-concert-venue still serves drinks at its original rotating bar.