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

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Nonprofit art center that promotes outsider, intuitive, and self-taught art.

Antique gaffe kept in the basement of a small Vermont natural history museum.

An eccentric inventor's castle home with its own indoor weather system.

This 38-drawer structure claims the superlative title, but it isn't the world's only giant filing cabinet.

America's oldest archaeological site or a muddled case of wishful thinking.

Annual celebration commemorating the 1965 sighting of strange lights in the town.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

This shop specializes in oddities and Victorian-inspired wonders.

The graves of a Connecticut family thought to have been plagued by a vampire.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

The mansion home of author Edith Wharton.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Collapsing castle on the Hudson river was once the storage site of military surplus business.

An unrealized dream to wirelessly electrify the entire Earth.

An Escher-inspired library dedicated to the wonders of the human mind, yet closed to the public.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

A former copper mine which became a truly unsuccessful prison.

The once abandoned ruins of a Victorian beachside amusement park are now back in working order.

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

A wunderkammer hidden on the top floor of the Hartford statehouse.