A homage to the King at the hotel where he revived his career.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

This former quarry is now a vibrant labyrinth of magical in situ sculptures.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

A mysterious air force base built to resemble a Long Island fishing village.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

The iconic Chicago sculpture hides a beautiful and easily overlooked plaque on the backside.

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

A century-old network of freight tunnels underneath the city's historic business district.

Behind a modern brick exterior lies the oldest continuously-operating lunch-car diner in the United States.

Its eclectic exhibits range from the world’s first motorcycle to Luke Skywalker’s Land Speeder.

One of the few existing, fully functional Showbiz Pizza animatronic shows.

The Kalamazoo factory has 100 years of instrument-making, and one big wartime secret.

Home to over 300 antique cars and motorcycles, including Thomas Edison's Model A.

The former home is said to be haunted by the ghosts of the beloved mayor and his wife who lived here.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

House built with over 60,000 glass bottles.

This tribute to a local man towers within a quaint lakeside park.

This national park on the shore of Lake Michigan features remarkable dunes that lie at the heart of a Chippewa legend.

Hidden beneath the waters of Lake Michigan rests a perfectly intact ship from the early 1900s.

The secret skeleton of a murdered nun was discovered in this church basement, but the scandal doesn't end there.