This hidden jockey “walk of fame” celebrates the winning riders of the Kentucky Derby.

The oldest operating Mississippi River–style steamboat still navigates the Ohio River.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

This candy shop has been serving up sweets to the Louisville area since the 1850s.

An opulent testament to the boom-and-bust history of industry in north central Indiana.

A chapel built by Italian POWs during World War II tells a forgotten tale of the war on the home front.

Indiana's shrine to the sport that has become a hallmark of their culture.

Covered in tens of thousands of coats of paint, this Indiana attraction holds a world record all its own.

This mysterious hill seems to pull objects uphill.

A collection of relics from the Spiritualist Camp Chesterfield.

One of the largest collections of merchandise from the famous British sci-fi show can be found smack in the middle of Indiana.

A medical facility that has been kept frozen in time.

A collection of over 2000 air-moving devices of all kinds displayed in the Fanimation headquarters.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

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

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

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

This stately clubhouse has showcased German-American culture for over a century.

This former office building has been transformed into an immersive music venue and art space.

This hidden stream beneath Indianapolis makes an appearance in the best-selling novel "Underground Airlines."

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.

The largest historic preservation organization in the United States.

The building is topped by a Statue of Liberty statue whose torch has stayed burning since the museum opened.

This turn of the century jail once held Charles Manson.