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

An obelisk marks the farmhouse where the founder of Mormonism was born.

A bygone village occupation lives on via this quaint public chalkboard.

A luxurious 1880s hotel with its fair share of Tiffany stained glass, Edison electricity, and of course, ghosts.

St. Augustine's record-setting narrow street was designed to protect against pirates.

A tribute to Ponce de Leon's supposed quest for eternal youth.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

In this case, 'zero' marks the spot where the iconic Old Spanish Trail ends.

This smiling statue memorializes local cartoonist Bob Montana and his legendary creation.

Even Henry David Thoreau found this glacial pothole irresistible.

There aren't too many operational funiculars around, but Pittsburgh has two!

A Circus legend leaves an unexpected endowment.

The fine fabric handwoven at Biltmore Industries was once coveted around the world.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

The summer home and later final residence of acclaimed American sculptor Augustus Saint-Gaudens.

A small chapel celebrating the spiritual bond between dogs and humans.

A New England curiosity cabinet, one hundred years on.

A 150-square-foot masterpiece of American landscape art is the crown jewel of this library and art gallery in Vermont.

A serene plaza that commemorates one of the Granite State's most iconic figures.

This large cemetery is known as the museum of granite sculptures.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.