The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

This museum offers an actual time machine back through Colorado's past.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

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

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

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

This family driveway also serves as the highest point in Illinois.

Home with Gothic windows featured in a famous painting.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

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

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

This remote island in Iowa was abandoned after being devastated by flood.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

A roadside spring pooling in an old bathtub where anyone can stop and sip.

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

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

A swing to dangle you off the very edge.