This beloved marketplace mascot poops money and grants good luck.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

Home to items never before seen by the public.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

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.

‘Bush the old fire dog died of poison July 5th, 1869. RIP.’

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

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

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

The innocent intentions of this monument are somewhat lost in the sculpture's muscled imagery.

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

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

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.

An overlooked memorial honoring the local Washington residents who died in World War I.

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

There’s a hidden military meme engraved on the World War II Memorial.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

A heroic pigeon that, through a barrage of gunfire, delivered a message that saved over 100 lives in World War I.

The most decorated dog of World War I is preserved in the Smithsonian.

This taxidermy horse was a Civil War hero.

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