Faces carved into the cliffs create an otherworldly walking trail.

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

The last remaining tollhouse in Michigan built during the 19th-century plank road craze.

The plants form a living library and laboratory for researchers and students at Michigan State University.

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

One of the few working locomotive roundhouses in the United States.

Little did a museum know, they possessed the last-known lunch wagon in existence.

A comprehensive archive of Hallmark Holiday ornaments.

The only surviving prototype for Buckminster Fuller's house of the future.

This restaurant proudly displays bread signed by the 39th president.

Evidence from a brutal 1880s murder is on display at this former infirmary house.

One street divides a single town that stands in two U.S. states.

At one of the nation’s longest-running professional theaters, the audience used to barter for tickets with produce and livestock.

A 100-foot metal tower and swinging bridge that provides stunning views of mountains in five states.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

A throwback train ride transports passengers through one of the lesser-known national parks in the country.

The tragic reality of a village riddled with rumors of haunts, chemical spills, and serial killers.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

Marvel at this turn-of-the-century masterpiece that has been turned into a rather stately supermarket.

A dazzling display of lights and crystals.

On the upper deck of this church-owned parking garage stand eight pillars topped with different Catholic saints.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.