This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

New York's oldest magic store.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Where the Model T was made and the assembly line was invented.

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

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

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

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

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The 80-foot tire that looms over Michigan's I-94 was once a Ferris wheel in the New York World Fair.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

A collection of more than 10,000 racist objects that teaches the atrocities of social injustice and intolerance in American history.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

The menacing creature had a tremendous influence on the local culture before being exposed as a hoax.

A bizarre house filled with an astounding array of collections.

This cave holds a surprisingly colorful variety of geological oddities.

A theme park attraction designed to turn your children into LARPers.

A large circus museum with summer performances.

This circus town museum recognizes the outstanding clowns of history.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

A towering Art Deco movie palace made to look like a Mayan temple.