See massive fossils that are over 200 million years old in northeastern Arizona.

Ornate "Renaissance Revival" style building.

Four cars from the old system were once on display, but were removed in 2014.

The factory that helped produce a dominant form of lighting before Thomas Edison.

Once home to the country's most gargantuan ships, this graving dock now waits for people to buy furniture.

A community farm in the midst of the Brooklyn concrete.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

“Invented in Key West, Perfected in Brooklyn."

The humble fort that saved Washington.

Brooklyn vintners creating world-class wine in a city not known for its vineyards.

A strip of modern stores in historic buildings.

Lehigh Valley barge No. 79 still gets tugged along - but now it houses a museum and unusual performances.

A self-made museum in Queens, New York continues to display the work of a sculptor known for paving his own way.

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.

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

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

This castle-like building in Manhattan helped destigmatize cancer in the 19th century.

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

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Mysterious 500-year-old tapestries depict a unicorn hunt.

First a horse rendering plant, then a 19th century landfill, this beach is full of glass from thousands upon thousands of broken bottles.

The first ever diner included on the National Register of Historic Places is famous for its custard French toast.

Peace Park and the Atomic Bomb Dome.

This enormous "shamoji" means more to the people of Miyajima than just a way getting rice onto a plate.