A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.

An old town theater converted into a celebration of the hobo legacy.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

The last location where Buddy Holly, Ritchie Valens, and J. P. "The Big Bopper" Richardson played before their tragic deaths.

Most comprehensive museum in America devoted to one ethnic group.

A wonderland of caves in eastern Iowa.

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

The farm toy capital of the world hosts a museum filled with toy tractors dating back to the late 1800s.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

A mother’s sweet tradition lives on with this unique memorial.

Millions of dollars worth of sculpture decorate this Iowa city center.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

This zombie-themed restaurant stands out in the heart of corn country.

This giant green head remembers one of America's jazz giants.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

The world's largest collection of fine-scale miniatures and one the nation's largest collections of antique toys.

This unconventional used book store was once in the news for the surprising act of burning books.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

Famous for its bio-luminescent inhabitants, known as "dismalites."

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

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