A park where people have been going to feed friendly pigeons since the 18th century

This beachside town is home to a diverse nature reserve, multiple cays, and one of the three bioluminescent bays in Puerto Rico.

Years of neglect and nature took a toll on this 19th-century lighthouse.

The abandoned coal loading dock is a canvas for unsanctioned art.

Metal water storage tank turned ethereal concert hall.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

A technicolor place of worship for Elevationists.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

World's first "penitentiary," meant to be humane, drove men insane.

This iconic tattoo shop has its own onsite museum with artifacts from the early history of modern body art.

A Manhattan courthouse hides a small but scathing memorial to Holocaust injustice.

The loneliest island in New York.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

A bit of retro transportation flair preserved in the world's largest department store.

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

The "Seinfeld" diner.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A semi-scholarly approach to sex.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A crumbling hospital from the 1850s on Roosevelt Island.

A world-class collection of mechanical musical instruments and automata.

This massive boulder is either a unique rock formation created by glacial melt or a magic energy vortex.

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

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.