Community bookshelf of 25-foot-tall book spines.

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

The unusual patterns in this rock formation result from two distinct modes of weathering.

A tunnel with windows, so you don't miss out on the impressive views.

This unassuming layer of clay boasts an out-of-this-world origin story.

These aggressively sustainable art homes look like something out of 1970's science fiction.

Nature's biggest mammal swims in landlocked Oklahoma.

This historic folk art garden contains a nightmare tower that claims to be the world's largest concrete totem pole.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This UFO landing strip was created by a charitable Wyoming city that was worried about residents of Jupiter.

Yes, this monument is aware that it is about 20 miles away from the actual center of the United States.

The crumbling structure is a rare surviving relic of the area's bygone mining industry.

The first declared National Monument in the United States.

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

This quaint museum lets you take a ride on its antique carousels.

A magnificent church designed by world-renowned architect, Frank Lloyd Wright.

This otherworldly church spire reaches up toward the heavens.

An enormous natural sandstone bridge in Kentucky.

This head-spinningly bizarre Depression-era art cave is wall-to-wall quartz and Jesus.

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

Over 50 historic windmills whir away at this outdoor museum.