The palatial McDonald's that inspired Wesley Willis.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

Soaring over the Niagara Whirlpool since 1916.

A monument celebrating the idea of reaching inaccessible places.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A historic presidential getaway on the continental United States' southernmost island.

Here’s how Robert the Doll earned his reputation as the most haunted doll in the world.

"We Seceded Where Others Failed."

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A series of waterfalls and pools that flow through the 'Ohe'o Gulch and into the ocean.

A tunnel of hardened lava along Maui’s famous Road to Hana.

Send a postcard while vacationing with Satan.

Georges Seurat’s pointillist masterpiece has been recreated in Ohio in topiary form.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

Wall to wall taxidermy at Denver's oldest and most exotic steakhouse.

The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

In this relatively flat state the highest point is an honored place.

The highest point in Indiana is curated by an Eagle scout but may be in danger of losing its record to a nearby garbage pile.

This family driveway also serves as the highest point in Illinois.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

The highest point in Iowa, while not that impressive to mountain states, has earned its own monuments.

The first declared National Monument in the United States.