A 10-foot-tall concrete Alley Oop statue left over from World War II now stands on the side of the road.

Taste the white whiskey that the United States' first president once distilled and enjoyed.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

A gazebo that inspired the fifth episode of the "Twilight Zone" still stands in the creator's hometown

This neo-Gothic former auto showroom is one of the few remaining reminders of Brooklyn's "Automobile Row."

This Art Deco fortress in upstate New York gives Manhattan's vaunted examples of the style a run for their money.

Surrounded by low rise buildings and partially converted into an auto body shop, this marble archway is the only vestige of a forgotten Manhattan estate.

Set sail on a small scale.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This graceful little figure is a one-of-a-kind version of the cherished character.

The Fox Sisters, America's leading mediums in the mid-19th century, possessed a table they claimed helped them "communicate" with the dead.

An abandoned subway tunnel that could have reinvigorated Staten Island still lies somewhere beneath this Brooklyn park.

A sewing machine tycoon built this miniature castle for the people and to beautify a lakeshore.

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

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

A hidden architectural treasure in New York's Brooklyn.

A way to take your secrets to someone else's grave.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This lavish room at NYC's French Embassy is a rare relic from the end of the Gilded Age.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

An eccentric playboy's astounding natural history collection.

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

The life of one of FDR's possible mistresses is preserved in her palatial Hudson Valley mansion.