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

Today this bizarre rooftop phone booth seems like a piece of kitsch but it was once used to spot disastrous storms.

Step back in time while shopping inside this local store.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

While he no longer has an eatery to give him context, this off-brand Paul Bunyan still holds his giant hot dog with pride.

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

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

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

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

While there are no actual snakes in the history of this crooked road, there may be a number of dead horses.

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

The remnants of Peoria's proud baseball past stand slightly abandoned, but not forgotten.

Steel remnants of a bridge make up a unique sculpture along the banks of the Illinois River.

A collection of 11 million buttons illustrates the human toll of the Holocaust.

These Depression-era WPA sculptures have made a couple of stops over the years.

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

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

Once known as the Illinois Asylum for the Incurable Insane.

Home to a 26-foot-tall statue of an American icon.

A palatial art deco restroom.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

20,000 pieces in a Frank Gehry-designed building.

These curious caverns have been home to mushrooms, gangsters, and disco.