All of Chicago's wood-paved streets are long gone but two alleys remain.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

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

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

The beloved home to all publications indie, erotic, and punky.

Years of archaeology, just chillin' by the water cooler.

The site of the first couple's first kiss is commemorated by the most adorable presidential monument ever.

Internationally known record store and purveyor of "dusties."

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A tribute to the "toughest woman on the Texas frontier," who survived a famous battle and five husbands.

This coffee shop lies hidden beneath a historic church.

One of America’s oldest and spookiest hotels, thanks to the residency of ghosts, dead presidents, and Alfred Hitchcock.

Oh, just a motel on the edge of the desert decorated with thousands of clowns conveniently located next to an abandoned graveyard.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Unlock the secrets of the conjuring arts.

The famous author's cottage hideaway.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The "Seinfeld" diner.

New York City's smallest piece of private property.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.