This enigmatic building features numerous architectural styles.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

Central City celebrates its most famous madam by racing beds down Main Street.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

A small Wyoming town is home to the state's oldest-operating soda fountain.

A monument to the egos of two railroad magnates that fell into decline along with their careers.

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

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

The home for all things Kool-Aid offers everything except a chance to actually enjoy the drink.

These experimental weapons brought World War II to Nebraska as well as 26 other U.S. states.

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

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

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

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

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

An abandoned observatory in the middle of the Illinois prairie.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

The high point on the 16th president's eponymous roadway is marked by a massive version of his head.

One of the smallest towns in the United States.

Miraculous tree that seems to sprout out of solid rock.

A beautiful combination of living flora with preserved bones covers the shelves of this shop.

The set location for a 1987 cult classic draws international film buffs to the middle of the Mojave Desert.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

A memorial dedicated to the victims of the Columbine High School shootings.