An off-the-beaten-path place to literally hang beneath Milwaukee's Holton Street Bridge.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

The writing studio of an American adventure author, built in the style of a medieval castle.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

What was once the largest NFL stadium.

Largest tulip festival in America, includes fireworks, a parade, and a carnival.

Shop of curiosities with a dinosaur museum tucked in its basement.

Pizza with a side of fine art.

A wacky two-story folk-art assemblage of carved and found objects, with lights, motion, and sound now in need of financial support.

An antiquated German apothecary on Chicago's North Side.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

Enormous small-business mecca in the Midwest, serving dozens of artists.

The world's only known button museum.

A collection of Witchcraft artifacts and occult paraphernalia started by the leader of the Long Island Coven.

The bones of an old zoo crumbling in the shadow of a new one.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The Beaux-Arts aquarium boasts a vast collection of saltwater and freshwater fish on an island in the Detroit River.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

A speakeasy takes on Chicago's drinking culture.

A theater sits abandoned on Roosevelt Road, once majestic in splendor, now majestic in decay.

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

Abandoned concert venue legendary for its rock counterculture.