A tribute to Ponce de Leon's supposed quest for eternal youth.

A historic presidential getaway on the continental United States' southernmost island.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

A monument celebrating the idea of reaching inaccessible places.

"We Seceded Where Others Failed."

Walk the whole Mississippi River!

One of the few surviving "Wigwam"-themed motels.

The world's longest known cave system.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

Ruined pieces of stone and a swimming pool are all that remain of an amusement park swept away by a flood.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

Three courses accompanied by Christian rock.

A pharmacy built in the shape of a mortar and pestle, now resembles a fancy cocktail.

This huge clock made of flowers and simple machinery was once used a political weapon.

Unique tower has outlasted a takeover of the company.