One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A very classy 1920s-era bar right in Grand Central Station.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.

Elevated freight railway turned wildly successful urban park.

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

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

Home of the golf club used by Alan Shepard on the moon, and more artifacts from the sport's history.

The mysterious canine hides atop a drain pipe on the back of the building, some say as a sneaky shoutout to Yale.

A brick-paved former section of the historic coast-to-coast highway.

For more than 50 years, an iconic sign has greeted visiting “fudgies” to the Traverse City area.

Since 1947, this living history museum has been providing an immersive look at life in Plymouth Colony.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The monumental steeple on Amherst College's campus has no church attached to it.

Plymouth's huge yet little-known memorial to the Pilgrims.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

An interesting decoration on this historic site, this weathervane comes with as many legends as it does questions.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

Three prestigious academic collections come together to create a world-class natural history museum.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

A precariously balanced rock perches on the edge of a cliff created tens of thousands of years ago by glacial erosion.