Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

A quirky collection of outsider art made from automobile parts.

Found art has transformed this Pittsburgh neighborhood into a psychedelic dream.

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

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Home to a protest movement, a bombing, and a dramatic change in labor history.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

The preserved house of a jazz legend still echoes with his music.

An easy to overlook storefront hides some of the most authentic and regionally diverse Chinese food in New York.

This abandoned seaside fortress is now simply an imposing ruin being taken back by nature.

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

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.

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

The home of aviation trailblazers, in a remote corner of the big city.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

A modern zoetrope on the New York City subway.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The last slot car racing arcade in Brooklyn is keeping the dream of speedy little autos alive.