A mysterious echo seems to defy the laws of acoustics.

The great American road trip, but smaller.

A castle inspired by medieval architecture is hidden in the woods of Connecticut.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

Two mermen, eternally spitting into each other's mouths.

More than 200 unconventional musical instruments that anyone can play.

100 massive sculptures in the Hudson River Valley.

Thousands of bottles that have held everything from poison to perfume make up the collection of this small museum.

Take a trip back to the 1950s and the heyday of the road trip along Historic Route 20.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

An upstate New York garage advertises its services by literally putting the automobile above all else.

Inspiring Herman Melville and Henry David Thoreau, Mount Greylock in western Massachusetts is the highest point in the state at 3,491 feet above sea level.

Discovered by cows, these upstate New York show caves are presented with a healthy dose of psychedelic folk art.

Why have you never heard of the second most popular tourist site in New York?

The final resting place of President Chester A. Arthur and hundreds of others from Revolutionary War soldiers to poets, politicians, and painters.

The oldest continuously inhabited street in America.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

A unique work of art that was created without permission.

A living antique aviation museum in the historic town of Red Hook, New York.

A once grand hotel is being retaken by the wilderness it once capitalized on.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The abandoned ruins of America's first private zoo are open for exploration in the Catskills.

An enormous cat made of recycled wood scraps.