The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

100-year-old shipwreck you can walk up to at low tide.

An accidentally hidden library containing the ephemeral history of New York.

There's nothing creepier than a cemetery next to a clown motel.

A bigger-than-life pun that has become a beacon of altruism.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

A hidden subterranean installation offers a view of the sky.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Mind-blowing carvings and fantasy ice scenes grace the largest year-round ice environment in the world.

This hands-on math museum believes in turning concepts into constructs.

This free, take-a-book shop seems like a trick but isn't.

Town of spiritualists and mediums in Florida.

Sister store to the Echo Park Time Travel Store.

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.

Floating man-made island and upscale restaurant.

The fossilized remains of ancient California redwoods.

A beautiful final resting place for some of the noteworthy deceased.

Once adorning a New York skyscraper, these reclaimed ruins now haunt an Indiana park.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.