The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

Quirky castle designed by the American actor best known for portraying Sherlock Holmes on stage.

An eccentric folk art landmark made out of discarded bottles by an inspired "grandma."

Funhouse of found art and participatory sculpture.

A cave dug by a man directed by ghosts to find pirate treasure.

Astounding collection of coin-operated games and automata.

A technicolor place of worship for Elevationists.

The remains of the first punk club in L.A.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

The exact whereabouts of this surreal cabinet of curiosities are rarely the same place twice.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The world's only museum devoted solely to the art and collection of action figures.

Hell on Earth is actually a small town in Michigan where anyone can be mayor for a day.

An unoccupied lighthouse encased in layers of ice from the waters of Lake Erie.

It specializes in outsider art and artifacts of secret societies.

One of the last free public hot springs is decorated with hippie art.

Pizza with a side of fine art.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

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

A storefront museum in Asbury Park honoring the Jersey Shore’s deep history of mystery—including the Jersey Devil.

A master plumber has turned his love of art and toilets into a folk museum that's not taking the piss.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.