Sniff the Titan Arum's rotting flesh.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

An unrealized dream to wirelessly electrify the entire Earth.

New York's oldest and possibly grandest keeper of books.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

A quiet and contemplative oasis in the middle of New York's bustle and riot.

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

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

One man's swirling six-acre monument of stone.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

A long abandoned hospital building on the outskirts of NYC.

The loneliest island in New York.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

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

A natural gas leak provides a flickering flame beneath a waterfall.

A hands-on traveling collection of the innovative devices of yesteryear.

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

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

Read a book next to a Midtown waterfall.

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

A network of ancient Egyptian tombs built into the cliff face along the Nile.

Located near Cairo's El Korba district, the abandoned mansion continues to inspire mystery and rumor throughout the city.

Slum Settlement Filled With Mountains of Garbage.