These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world's largest coastal brick fortresses.

An idyllic swimming pool tells the tale of Hemingway's trouble with women.

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."

Bat house that has only ever housed bat for one night; they all flew away and never came back.

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

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

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

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

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

Two dozen rescued bears roam (mostly) free at the largest bear ranch in the U.S.

"The Most Boring Road in the State."

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

The world's only three-story rotary jail is now a museum to a bizarre trend in prison design.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

This historic Illinois "Muffler Man" has been converted from axe-touting lumberjack to rocket-wielding space ace.

This tiny historic jail along Route 66 is the perfect fit for exactly one criminal and their partner-in-crime.

You were once able to challenge a chicken to tic-tac-toe at this park, which is now converted into the Aikman Wildlife Adventure.

This folk art wall claims to be the world's one and only memorial to the bygone age of hippies.

This historic lavatory leftover features two levels of defecation stations completely without context.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

This lagomorph-obsessed Route 66 emporium is home to a giant jackrabbit that sits in a bunny graveyard.