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

An enormous, inside-out glass globe built in 1935.

This tiny patch of arid sand sits in one of the greenest states in the United States.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

The headquarters in Salem doubles as an occult art gallery.

Dim sum, served in a grand old theater.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

The highest peak in the state of Vermont has some interesting features.

One New Hampshire alleyway has become home to a public gallery of feline art.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

The Atlantis of Cape Cod reemerges during the lowest of tides.

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

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.