The world's largest Holstein cow.

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.

America's silhouette includes 100 square miles of wilderness jutting into Canada thanks to an old mapmaking error.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.

At this Minnesota state park you can easily wade across the source of the mighty Mississippi.

Home to the Amorphophallus titanum "Corpse Flower," which is among the largest flowers in the world and also smells powerfully of rotting flesh when in bloom.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

This massive roadside mascot was the first version of the giant to illustrate his butt.

Half of a waterfall goes into the river while the other half seems to disappear.

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.

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

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

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This giant roadside goose has been hailing travelers into a small Ontario town for over 50 years.

Possibly the world's largest coin stands just outside of a Canadian science center.

Profile of a sleeping person 4km long in 250m high cliffs.

A flying saucer has landed for good in the middle of a tiny Canadian town.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

A sleepy little town that had the greatest landslide in North American history fall on it.