There is an unmarked red button hidden over Houston's Buffalo Bayou that is just begging to pushed...

One man's homage to the orange as realized through a long-term folk art labor of love.

A private collection of massive steel monsters guarding a Texas pipe works.

At the "Garage Mahal" in Houston, car culture is about more than just driving.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

A graffiti Mecca welcoming artists from around the world.

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

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

Holding the most bodies of any cemetery in the United States.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Nondescript elevator doors open to reveal a stunning, surreal world.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

More gold than anywhere else, ever.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

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

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

Elevated freight railway turned wildly successful urban park.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

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