Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

Once one of the largest producers of pig iron in the world.

This coastal port saw one of the most significant battles of the Civil War.

A propulsion engine testbed that paved the way for the Space Shuttle launch sits without recognition at this rocket center.

It may look like no more than a full-scale model, but every part of this full Space Shuttle stack had a working role in aviation history.

A bizarre roadside attraction and the first instance of miniature golf in the world.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

Mysterious ancient boulder carved with petroglyphs in the mountains of Western North Carolina.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

An extravagant western hotel where every floor is the "ground floor."

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

The only diamond mine in the world where you can keep what you find.

The first declared National Monument in the United States.

This prehistoric sinkhole lured exclusively male mammoths to their death, much to the delight of science.

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

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

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

Inside this museum resides a boot fit for a giant.

Ever wanted to can Spam?

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

America's first National Historic Landmark is a 100-foot tall obelisk and gravesite dedicated to the only casualty of the Lewis & Clark Expedition.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.