Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

What happens here stays here – unless it affects the whole world.

The beauty of urban decay, hiding some dark secrets.

An underground magnet for ever-changing street art.

The poet's been ambling through these New York woods since 1940.

As the Dead Sea continues to deplete, massive sinkholes open along its banks.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

This 150-year-old train station and caboose have been turned into a railroad museum, enjoyed by young and old alike.

Visitors to Salt Springs State Park are encouraged to literally put their two cents in Penny Rock.

You don't have to be an ambassador to dine like one.

A quick trip around the globe through an amazing miniature exhibit.

Wine bottle sculpture with a ship's stateroom inside.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

A New York garbage depot holds a secret collection of weird and wonderful refuse.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

A monument to the “unrecognized dead” of the tragic 1876 train crash.

Home of the golf club used by Alan Shepard on the moon, and more artifacts from the sport's history.

The phone booths of New York City have all but disappeared, but their remains were once found in this "graveyard," sadly now removed as well.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

Lie in a hammock where George Washington stood.

Ride the subways of yesteryear.

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

Currently housing a corporate bank branch this building at the southern tip of Manhattan was once the gateway to luxury vacationing.