Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

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

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

The Vatican of the movie industry turned into an actual church.

This tiny little island has, as the name says, just enough room for its single house.

A tree that grows parallel to the ground was declared Brooklyn's "crowning curio" by the poet who saved it.

Surprisingly aquamarine waters fill deep lakes formed at the end of the last ice age.

Eclectic architecture in the woods of New York.

An arcade packed with a rotating collection of unique independent video games.

A winding, cliffside stretch of road overlooking the Delaware River.

A castle built for love, and abandoned due to heartbreak.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

Not even a series of devastating fires could keep this odd castle in upstate New York from bouncing back.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

A hyper-luxurious, 12,000- square foot home might be buried beneath Queens, still waiting to protect you from nuclear missiles.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

The library of every book lover's dreams.

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.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

What was once a trend-setting, phrase-coining icon of architectural splendor is now a rotting, forgotten hulk.

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