If astronomy had a ghost, it would look like this observatory.

Inspired by a piece of concrete, these three pyramid-shaped buildings have been beloved Indianapolis landmarks for over 50 years.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

This whimsical park encourages its visitors and wildlife to roam on and around the various works of art.

The world's largest anatomically accurate brain sculpture.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Modeled after the labyrinth in Chartres Cathedral, this small-town Indiana memorial labyrinth sits half a world away.

This stunning gothic ruin was a casualty of the Indiana steel industry crash.

Nature and art meet in this curvy creation

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

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

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

The largest cattle market on earth holds live auctions open to the public every week.

In Oklahoma City's Bricktown, there's a street that don't use jelly.

Oklahoma City's oldest arcade has reinvented itself as a competitive pinball mecca.

This giant mimetic milk bottle has encouraged Route 66 travelers to choose dairy since 1948.

Named for the 39 tribes that live in Oklahoma, this restaurant's menu deliciously highlights local flavors.

The surprising home of the iconic Santa Monica Pier Ferris Wheel.

An old spiral fire escape dangles above a public courtyard in Midtown Oklahoma City.

An immersive art experience built by local arts collaborative, Factory Obscura, in the building formerly known as The Womb, a psychedelic arts center founded by the frontman of the Flaming Lips.

Giant works of art interspersed throughout meadows and woodlands offer a new discovery at every turn.

Twice a year, this road is closed off to allow for the migration of thousands of snakes, reptiles and amphibians between cliffs and a swamp.

These markers are used to determine the ground stability of the Strip.

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.