The evolution of recreational vehicles and motorhomes is on display in the “RV capital of the world."

A theme park attraction designed to turn your children into LARPers.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

Despite its name, this fast food museum is actually a replica of the ninth McDonald's store.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

The unluckiest U-boat in the entire German fleet is now on display in a Chicago museum.

The final resting place of the world's first nuclear reactor.

This former nursery supplied plants for the creation of Chicago's largest park.

An exhibit of items from the mental institution where Mary Todd Lincoln lived after her son conspired to have her committed.

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

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

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

This historic theater's pipe organ still accompanies silent films just like it did in 1929.

When you can afford only half a road, you build only half a road.

A likeness of Da Vinci's mysterious painting smiles at passersby from the side of a barn.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

The fifth tallest statue in the United States is a shirtless monument to the oil worker.

Standing at 21-feet tall, this space cowboy adds to the legacy of Route 66's muffler men.

This 1930s-era Route 66 Tulsa landmark was moved, restored, and filled with neon.

Once in disrepair, the house where the 1983 film was shot has been restored and turned into a museum.

A half-size replica of the World Trade Center towers above Tulsa.

An acoustic anomaly with a mysterious cause.

Along the historic Mother Road is an old gas station with a secret counterfeiting past.