Known as "The Hill of the Little Devils."

Hidden in the grounds of the Fort Dodge Museum is a "real" and terrifying petrified giant.

Beating out all other concrete competitors, this massive garden feature's pointy hat has earned it a world record.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

Grant Wood painted some of his most famous works of art at this studio.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.

This 16-foot-diameter wooden coin has been standing in Iowa City since 2006.

A mysteriously dark cemetery monument fuels stories and legends galore.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

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

A 30-foot man on a penny-farthing bicycle rides along the banks of the Mississippi.

Lined with plaques and tributes to veterans, this patriotic street was founded by Mexican immigrants.

One of two identical monuments marking the sites of military training encampments in Peoria, Illinois.

The world's third-largest scale model of the planets.

A massive bur oak tree believed to be some 500 years old is the centerpiece of this quiet urban greenspace.

This rare female version of the Muffler Man has its clothes removed each summer to signal the start of pool season.

A Depression-era sculpture by Charles Umlauf survives in a small suburban post office.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

A wartime promise becomes a shrine to Our Lady of Lourdes.

A limb from Indiana's largest sycamore tree on record.

One-layer pyramid in Indiana.

The chiseled jaw of this forgotten American hero still stands tall in a small Indiana town.

A collection of sculptures and trails that appear to change with the seasons.

Bananas are often left for the first monkey America ever recovered alive after being launched into space.