A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

This stone tower in a small town's graveyard looks as though it would be more at home in a fairy tale.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

At a mile long, the Fort Madison Bridge is the largest double-decker swing-span bridge in the world.

Two small markers remember the Alamo's feline protectors.

This simple frog painting created by musician Daniel Johnston embodies the spirit of Austin.

A museum to a cave explorer whose tragic death was a media sensation, and whose corpse became a tourist attraction.

The world's longest known cave system.

The first KFC is on the National Register of Historic Places.

The house is an iconic pilgrimage site for fans of the Illinois-based emo band.

The inconspicuous grave of the University of Illinois' first president is just steps from the main quadrangle.

Fragments of a massive unfinished sculpture sit near the main quad of the University of Illinois.

The carved remains of a 200-year-old oak tree memorialize the namesake of the iconic "Wizard of Oz" character.

The oldest experimental corn field in America is still creating better ways to grow crops.

Home with Gothic windows featured in a famous painting.

An Iowa town celebrates its heritage with the tallest working Dutch windmill in North America.

The notorious couple camped at this site after a bloody shootout with police.

Whimsical cartoon cars suspended on posts soar over an automotive shop.

What do a giraffe, an elephant, and reasonably priced steaks have in common? This roadside restaurant filled with exotic taxidermy.

The start of the group that straightened the teeth of a nation.

The world's largest key collection features keys to the White House, Frankenstein's castle, and Hitler's bunker.

When this 160-year-old church was being built, a stonemason included a hidden homage to his late daughter.

The remains of an early 1900s dude ranch that operated until the 1970s.

The world's largest sticker ball weighs in at a mighty 231 pounds.