It's hip to be square in Iola, home of the largest town square in the United States.

This otherworldly church spire reaches up toward the heavens.

During the 1990's nearly all of the world's LSD is thought to have come from the operators of the lab once located in this missile silo.

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

This century-old roadside attraction is full of bizarre rock formations.

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

Three markers installed over the course of 140 years mark the point where Arkansas, Missouri, and Oklahoma converge.

Thousands of small machines line the shelves of this personal collection which definitely delivers on its name.

The last funhouse of its kind, where guests enter through the mouth of an 80-year-old blue whale.

The face of the famed flier in a hillside in her hometown.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Marking the spot where a conquistador gave up his search for the fabled Seven Cities of Gold.

The largest mural in the world painted by a single artist.

Created by Catalan artist Joan Miró in 1978 and made up of 350,000 tiles, this mural is the only large-scale glass mosaic the artist ever created.

After retiring, Gary Pendergrass turned his yard into a wonderland of outsider art.

The grandson of a Kiowa chief created what has become the iconic symbol of a city on the Plains.

The first "Hut" was actually a small brick building.

A mysterious and terrifying public art goblin seemingly meant to inspire local legend.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The whole of Maine's history with the salty little fish is packed into this tiny coastal museum.

An elderly widow still operates the incredibly detailed model railroad she and her husband built by hand.

Turns out you can see the world without ever leaving Maine.

It's a repurposed treasure trove of history, located just an hour away from Acadia National Park.

The first bridge observation tower in the U.S. offers one of the best views of Maine.