A rim-made reptile in North Dakota.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

A monument to the center of the North American continent may be off by a few miles.

This monument remembers one of the manliest men of the frontier who fought a grizzly before dragging himself 200 miles to safety.

A true roadside icon standing on the same plains that the herds once roamed.

An entire city block built completely out of petrified wood.

One man's quest to save his town with a trail of record-breaking sculptures.

The world's largest Holstein cow.