This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The Jewish diaspora shares a menu at this museum café.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

The oldest surviving botanic garden in the United States.

Dr Barnes' $25 billion private collection of art and arboretum.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

One of New York's best collections of pinball is hidden in a secret bar in the back of this laundromat.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

Visit the monolithic tomb of America's most famous general.

During the holidays, a vintage subway train whisks New Yorkers back in time.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

More gold than anywhere else, ever.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A terrific purveyor of natural history objects and curios.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.