At the turn of the 20th century, the Minnehaha County courthouse played host to sensational public divorce trials.

A relic of roadside lore and perhaps the first of its kind in North America.

An entire city block built completely out of petrified wood.

A fitting attraction for the corn capital of the world.

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

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

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 zombie-themed restaurant stands out in the heart of corn country.

A museum of unusual collections, mini-towns, and a half-dog, half-alligator.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

William Faulkner kept his beloved estate wild and untamed.

An enormous natural sandstone bridge in Kentucky.

Home to a collection of artifacts and specimens from one of the world's preeminent geologists

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

For decades, this waterfall remained hidden because of an artificial dam.

This lovely university observatory continues to sit abandoned since its potential savior was sent to jail for fraud.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Large one-man sculpture park in Michigan.

The park is home to the United States's only still-operating Dutch windmill.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

Island where motor vehicles are banned -- home to the only carless highway in the United States.