The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

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.

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

One of the last of the great 1920s movie palaces is a Floridian Greco-Spanish-Persian dreamscape.

Electrical pylon in the shape of Disney's beloved mouse.

The museum chronicling a treasure hunter's dream, fulfilled.

A small poultry graveyard in the courtyard of a popular Key West watering hole.

The birthplace of American international flight service has been turned into a celebrity's microbrewery.

Manatees congregate around a power plant's discharge canal where the water is especially warm.

A Circus legend leaves an unexpected endowment.

Meet manatees face-to-face at this zoo for native species.

An 18th-century Spanish watchtower made entirely of seashell and concrete.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

The building was originally a gas station built to resemble a Japanese tea house.

A unique botanical garden housed in three giant geodesic domes.

Software company Epic Systems has created one of the strangest and largest workplaces of all time.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Gambling, boozing, and yodeling animals cover the walls of this dive bar cum natural history museum.

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

Vikings and Evangelicals have both had a hand in this replica medieval church.

This pebble beach is so beautiful that taking its rocks is against the law.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

Once the product of an inexplicable gold strike, this ghost town is now home to one man and his love of classic machines.