The highway's southernmost spot is a beloved local attraction.

This monolithic statue was erected in honor of Chief Black Hawk (even if it wasn't made to look like him).

A community of collapsing homes more than a mile out from the Florida coast.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

Remnants of the city's Soviet history hover over this modern fast-food outlet.

A monument celebrating the idea of reaching inaccessible places.

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

Nature and art meet in this curvy creation

This lone survivor of a regional franchise still slings delicious burgers and colossal servings of fries.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

A hotel with a rich Wild West history of miners and bootleggers.

In the Shawnee National Forest, amazing rock formations peer through the treeline.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This spectacular track has run continuously since 1882.

Giant six-pack could provide one person a six-pack a day for 3,351 years.

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

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.