Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The world's largest piece of copyrighted artwork.

This train station inspired the name of a 1970's rock band and provided the backdrop for their album cover.

The history of the tea trade is told in bas-relief on this historic pair of Boston doors.

A small, red building located along a state highway where the 18th Vice President made shoes in his youth.

This general store is more than a century old and home to various oddities and antiques.

A beacon atop a downtown building provides Bostonians with weather forecasts and baseball news.

Before Metro, Washington had a robust streetcar network—and you see the remains of this infrastructure if you know where to look.

The site of the climactic scene from the classic horror film is now a historic landmark.

A historic arena where the Beatles played their first concert in the U.S.

Decades before the scandal, this staircase on the river was a literal "water gate."

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

Before Nixon, "watergate" meant canals.

A portal into the bricked up canal that runs through the heart of Washington D.C.

Was there a small "backpack nuke" hidden in the attic? JFK apparently thought so.

The bank that helped fund the Mexican-American War and the purchase of Alaska met its downfall after helping Augusto Pinochet launder money.

Four bald cypress trees in Lafayette Square, across from the White House, mark the southern edge of a 100,000 year old cypress swamp.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

Ironically this massive termite is the mascot for a company that is acclaimed for killing his kind.

The oldest still-operating tavern in the United States was once owned by a pirate.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

A massive sea stack famous for its appearance in The Goonies.