This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Nikola Tesla's former home contains an homage hidden from plain sight.

The former hotel where Tesla invented the radio.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Commemorating the spot where the famous scientist fed his pigeons.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

A renowned Civil War veteran, this Bald eagle now presides over the Wisconsin State Assembly.

Yo, Adrian!

A daily replay of the experiment that proved the rotation of the Earth.

Dr Barnes' $25 billion private collection of art and arboretum.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

An annual extravaganza of Broadway theater memorabilia.

Martha's Vineyard's most beloved speakeasy sells late-night pastries.

World's first "penitentiary," meant to be humane, drove men insane.