These pretty kitties killed and ate as many as 135 railway workers.

At Chicago's revered Field Museum, visitors are invited to learn about and literally explore DNA.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

Years of archaeology, just chillin' by the water cooler.

Spend the night in this former asylum for the incurably insane, which claims to be one of the most haunted places in the United States.

Step back in time while shopping inside this local store.

An underground wonderland in Iowa.

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

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

Remnants of a quarry company town still stand on the banks of the Wapsipinicon River.

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

No one knows the origin of this small town’s unique name.

The oldest university museum west of the Mississippi retains its 19th century feel.

A mysteriously dark cemetery monument fuels stories and legends galore.

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

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