To find the "unicorns of the deep" you've got to go downstairs.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

A wonderland of caves in eastern Iowa.

This large midwestern cavern features impressive rock formations and an underground waterfall.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Chilly air billows out from the entrance of an abandoned mine on a steep hillside, providing a refuge for Ice Age fauna and flora.

A cable-suspension footbridge that hangs high above the Mill River.

This historic folk museum celebrates the attention to detail that makes America great.

Cryptid lake monster honored with its own monument.

Scary metal statues adorn some of the signature buildings of Burlington, VT.

An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

Statue dedicated to the star of an old television show.

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

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

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

This cave holds a surprisingly colorful variety of geological oddities.

A bizarre house filled with an astounding array of collections.

Built in 1933, this unique ballroom is nicknamed the "floating dance floor."

This odd-shaped relic from the 1964 New York World's Fair found its way back home to Wisconsin.

The world's largest talking cow would like to tell you about the benefits of 100% Wisconsin dairy products, if only she still could.

The center of the only hemisphere that awards visitors with a commemorative coin.

"Iron Age" creatures fill this huckster's rusted metal sculpture garden.