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

Known as one of the most climbed mountains in the world, this barren peak is permanently bald thanks to an anti-wolf fire.

The largest arcade museum in the world chronicles the golden age of video games which ended promptly in 1987.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

An artist's cute bronze subway sculptures belie his violent artistic past.

Cryptic messages embedded in the New York City sidewalk.

Wine bottle sculpture with a ship's stateroom inside.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Elevated freight railway turned wildly successful urban park.

According to legend, Bob Dylan sneaks in twice a year to eat dinner with Jack.

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

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

Expertly restored pinball machines as far as the eye can see.