A large circus museum with summer performances.

The oldest certified bowling alley in the United States is in the basement of this century-old bar.

Literally a million fascinating cartographic artifacts are held in this sprawling university collection.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

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

The center of the only hemisphere that awards visitors with a commemorative coin.

These Great Lakes sea caves accessible by boat in the summer turn into temples of ice reachable by foot in the winter.

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.

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

The oldest continuously-operating tavern in Wisconsin used a clever loophole to serve alcohol during Prohibition.

A charming remnant of 19th-century fishing towns sits on Michigan’s Leelanau Peninsula.

A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

One of the largest crucifixes in the world stands 55 feet tall in a secluded, wooded area of northern Michigan.

This shallow cave got its name from copious amount of human bones found inside.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Strange physical sensations and optical contradictions keep visitors coming back for more.