This surprising gem is a world-class archeological museum hidden at the University of Chicago.

Combination beer garden and music venue in the heart of Wicker Park.

An enormous park-like oasis, full of famous Chicagoans' graves.

An antiquated German apothecary on Chicago's North Side.

This shop for all your super spy needs hides an educational secret.

A cablecar-station-turned-revolving restaurant with 360-degree views of the Swiss skyline.

Caves famous for the dragon-slaying saint who lived there.

Springtime is go time for this repurposed shack and the fish it venerates.

A vast collection of rare books, manuscripts & extraordinary objects illustrating the history of medicine.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

Ralph Waldo Emerson spent two years living here decades before it became a Frederick Law Olmsted-designed park.

The oldest Italian café in Boston, this spot also serves as a veritable museum of vintage coffee ephemera.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

A stunning garden filled with fantastical environmental folk art and sculptures.

Locals purchased this abandoned quarry in order to make sure it continues to be overgrown.

This cave was once thought to be a hiding place for the devil.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

The house where Rudyard Kipling wrote the Jungle Book is also the location of the first tennis court in Vermont.

The building that inspired Shirley Jackson's "The Haunting of Hill House."

This charming woodland trail is peppered with poetry.

Beautiful hillside Vermont cemetery with amazing funerary art.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Tour the world's largest deep-hole dimension granite quarry, where you can view the plant where gravestones are made and roll a ball down the outdoor granite bowling alley.