America's oldest Italian restaurant is a San Francisco institution.

This colorful boulder serves as a canvas for political statements and artistic expression.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

Formerly the world's largest, this Willy Wonka-esque contraption runs 24/7.

These dramatic cola-colored falls have appeared in a poem by Henry Wadsworth Longfellow and a song by Sufjan Stevens.

Only the original archway remains from the building where a false cry of "fire" started a panic that claimed more than 70 lives on Christmas Eve in 1913.

This state-of-the-art planetarium takes architectural inspiration from the sun itself.

Large one-man sculpture park in Michigan.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

These gardens recreate unique and endangered Michigan habitats.

Rare recess caves fill this unbelievably beautiful Ohio park.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

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

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

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

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

The bones of an old zoo crumbling in the shadow of a new one.

A 30-foot-tall sculpture pays homage to what was once the Steering Wheel Capital of the World.

This small, nautical gift shop is home to a 500-pound behemoth.

This missionary's legacy looms large over the Upper Peninsula of Michigan—literally.

Inside the Wayne County airport is an amazing collection of lights and sounds.

On the shores of Lake Superior, a small group of monks makes sacred sweets.

Perched atop a brick smokestack, this enormous lug nut symbolizes the local minor league baseball team.

Everyone's invited to put on a miniature concert with this world-class musical wonder.