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

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

A rim-made reptile in North Dakota.

A museum dedicated to exhibiting remarkable outsider art.

The world's largest Holstein cow.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

A fitting attraction for the corn capital of the world.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Ancient serpentine sacrifice holder that has stood the test of time.

A smoke stack so large, the Washington Monument could fit inside!

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

One of America's first dinosaur parks gives a window into Depression-era paleontology.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This playground sculpture of an icon from the past is dedicated to the children of the future.

As if T-rex wasn't big enough, this Canadian monument is four times larger than the real thing.

The first declared National Monument in the United States.

This giant Boston statue of Mary is standing on a globe to show her power over the universe.