A Frankenstein blend of science and art allows one tree to produce 40 different types of stone fruit.

Plot your trip through the city on the sidewalk.

Curtiss is a forgotten figure in the early history of flight.

This Manhattan skyscraper is a reminder of the brief but glorious age of urban air taxis.

The home of aviation trailblazers, in a remote corner of the big city.

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

An isolated beacon with a history of grisly murder and a view of some of literature's greatest inspirations.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

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

Rummage through this sunken ship, but leave your scuba gear at home.

A whimsical, but often overlooked clock in Park Avenue.

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

Slyly buy a shake in the Parker Meridien lobby.

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

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

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

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

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A young state senator's deathbed plea to be buried inside a rock resulted in this unusual grave site.

The final resting place of the hundreds of bodies originally buried where Badin Lake sits now.

The wooden house where the jazz great learned to play the piano.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

This public space is speckled with the eerie remnants of a defunct amusement park.

There aren't too many operational funiculars around, but Pittsburgh has two!