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

America's Most Wanted's set resides in this tribute to the history of crime and punishment.

The towering figures were created from the cemetery's fallen old-growth trees.

D.C. once had its own tiny rival to the New York Stock Exchange.

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

It was once the base for a series of domestic terror attacks.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

The oldest continuously operating fish market in the United States.

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

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

D.C.'s first central library was born out of a chance encounter with the philanthropist whose name it bears.

Helen Keller once broke ground on this historic center for the study of technologies to benefit the hearing impaired.

"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!”

The most accurate timepiece in the world.

Art deco landmark on the outskirts of Washington, D.C.

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

The remains of Martha, the last known passenger pigeon, serve as a tool to educate about conservation.

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

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

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

A historic neighborhood church is reborn as a psychedelic arts collective.

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