A library built during San Francisco's pioneer times is a student's retreat, bibliophile's sanctuary, and chess player's delight.

The miraculous hydrant that saved the Mission District in 1906.

This enormous Hindu temple in Queens serves incredible dosas in its basement canteen.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

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

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

More gold than anywhere else, ever.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

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

This seasonal soft serve shack has been doling out silky swirls since 1951.

A rainbow of kulfi and falooda flows from this Indian-style ice cream parlor.

This quirky local sculpture is quite literally a fish out of water.

Feast on award-winning birria tacos from a food truck inside this neon robo-tiki bar.