A local landmark with generations of spraypainted messages, and more being added each day.

Willy Wonka would love this weird half-a-home.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The first American department store, and home to the largest operating musical instrument in the world.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

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

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bizarre roadside attraction and the first instance of miniature golf in the world.

The murals have transformed a residential alley into a vibrant drive-through gallery.

A museum and shop on Bourbon Street located in the French Quarter.

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.