This unacceptably tall building was the real reason for Washington, D.C.'s skyscraper ban.

One of the largest artillery pieces in the world sits in a Washington D.C. parking lot.

This robust fence in front of a historic Georgetown home is likely made from hundreds of recycled Revolutionary War firearms.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

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

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

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

A much-maligned monument to teetotalism.

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

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

This lovely pocket park is one of the most under appreciated in D.C.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

This poor little statue is the most vandalized memorial in Washington.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

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

The most accurate timepiece in the world.

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

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

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

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

The oldest continuously operating fish market in the United States.

The national park was once a plantation estate.

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