A musical instrument played by the sea.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

A library of only unpublished manuscripts.

Along with used instruments, this pawn shop has pieces of music history on display.

This garden is dedicated to a Portland cartoonist who specialized in dark humor.

An emporium for the weird, creepy, rare, and just plain gross.

The World's First 24 Hour Coin-Operated Art Gallery!! Plastic, Styrofoam, and Elvis--If you can't get rid of it, you might as well worship it!!

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

A plaque commemorates a Victorian scientist's monumental discovery about waves.

A famed drink seasoned with an amputated toe, now on its tenth digit.

One of Chicago's last seafood smokehouses perfects a dying breed of fishcraft.

A speakeasy takes on Chicago's drinking culture.

Commemorating the 1948 creation of the Jimmy Fund, a Boston-based cancer charity.

A trailblazing sovereign nation tucked in the American state of Wisconsin.

James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

This headstone-like marker inscribed with three words has been an utter mystery for over a century.

A real plaque marks the spot where a Faulknerian character committed fictional suicide.

In one Chicago park, a trio of werewolves are waiting to devour their fallen brethren.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.