This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

New York's oldest magic store.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A derelict bit of infrastructure from the canal that once ran through D.C. is landlocked in the heart of the city.

An easily overlooked memorial to a Ukrainian famine-genocide that killed over 4 million people.

"Congress may voluntarily remain in session throughout the summer, in order that our Congressmen may be protected from the intolerable discomforts and dangers of the ordinary outdoor weather!”

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

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Perhaps the most scandalous statue of America's first president.

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

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

Home to items never before seen by the public.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

A museum designed by and dedicated to P.T. Barnum in the town where he is buried.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

This bridge was constructed from the rubble of the infamous Bastille.

A parade of antique steeds offers a quirky ride through history.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

This small-town pizzeria won the Hollywood lottery.

Holding multiple historical boats and an entire 19th century village, this New England attraction is the largest maritime museum in the world.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.