The world's largest anatomically accurate brain sculpture.

One tree's homage to soles past and present.

A chilling disappearance (and rescue) of a child uncovers a geological mystery.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

A modern-day wunderkammer dedicated to Indianapolis history, Afrofuturism, and musical vibrations.

Symbolic attempt to overcome the issues of life.

Part of a secret 1970s nuclear defense program is now open to the public.

A rim-made reptile in North Dakota.

One North Dakota man's vast collection of rare rocks, polished orbs, and geological wonders.

Thanks to a loophole in property ownership, this alleyway has become a cacophonous street gallery.

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

Inside this magical collection, you can buy recipes cooked up by church ladies, motorcycle clubs, and clowns.

America's largest man-made forest was planted in an effort to bring back the past.

This replica small town lets visitors take a stroll through the story of progress in the U.S. via thousands of Americana artifacts.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

The headquarters of the prestigious World Food Prize celebrates the heroes in the fight against hunger, has no cafeteria.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

An unlikely Transcendental Meditation haven in the American Heartland built around the ancient Vedic principles of balance and harmony.

The “American Gothic" artist's largest works hang in an Iowa State University library.

Eight feet in diameter and more than 24 feet around.

The Iowa state contender for largest pan in the world oddly only comes in second or so.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

A giant pair of thick black glasses mark the tragic demise of a trio of rock and roll legends.

A four story, football field-sized, nine-grotto creation made of shells, minerals, and rare stones.