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

A curiosity-seeker's paradise set inside a three-story historic school house.

One of the greatest boxers and humanitarians to ever live chose his hometown as his final resting place.

This abandoned cemetery has a dark past of bodies buried over bodies.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

The largest cemetery in Louisville is the final resting place of Col. Sanders and Muhammad Ali.

A life-sized memorial to Harry L. Collins, the official corporate magician of Frito-Lay.

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.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

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

Where beautiful signs live on forever.

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

When this 160-year-old church was being built, a stonemason included a hidden homage to his late daughter.

This now-abandoned outcrop is an important Native American spiritual site, overtaken by European settlers and mining pollution.

This was once the home of Gahan's Saloon, Denver's most storied speakeasy.

Neal Cassady may still have an open tab at one of Denver’s oldest watering holes.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

The largest self-built castle in the U.S., six decades in the making.

This memorial pays homage to Pueblo's four Medal of Honor recipients.

This three-mile concrete levee in Pueblo, Colorado was transformed into the world’s longest painting.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.