A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

The grand marble structure next to the White House is Andrew Carnegie's temple to Pan-American diplomacy.

The "lovely red Vega" of the legendary record-settling pilot.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

Look closely and you’ll notice that the color changes a third of the way up the tower.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

Washington's iconic carousel has a nice piece of Civil Rights history.

New York City's first Modernist house.

A Manhattan office building is home to the world’s largest chess board.

A giant steel sculpture with animals in its shadows.

The press that first printed the Book of Mormon.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

A Seussian sculpture made of brass instruments.

A historic home with ties to the abolition and suffrage movements.

A near tragic event on this bridge helped inspire the classic film "It's a Wonderful Life."

Rochester's signature culinary delicacy.

Called the “General Motors of the piano industry,” these buildings once produced as many as 700 pianos a week.

A bronze ballot box stands at the spot where Susan B. Anthony voted illegally.

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

An annual extravaganza of Broadway theater memorabilia.

One of only two remaining Victorian-era greenhouses in New York.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.