The trials and tribulations of marking Poe's grave.

Years of archaeology, just chillin' by the water cooler.

The palatial McDonald's that inspired Wesley Willis.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The oldest badlands in North America, Makoshika State Park takes it name from the Lakota words for broken land.

An entire city block built completely out of petrified wood.

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

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

This Wild West attraction is alive with glitching automatons.

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

A fitting attraction for the corn capital of the world.

Home of an evil witch famous within southern folklore.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

You thought Santa Claus didn't exist, but it turns out you were wrong.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Less a museum than a bizarre fantasy world created by artists and engineers.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

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

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.

The hometown of Popeye's creator is littered with a growing collection of granite cartoon characters.

Even with its slightly risible name this colossal cross is still able to inspire awe.

World's first "penitentiary," meant to be humane, drove men insane.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."