Look closely and you’ll notice that the color changes a third of the way up the tower.

Daredevil repair workers can worm their way out the access hatch, loop ropes over the apex and rappel down the monument.

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

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

This unique museum cafeteria showcases the history and regional diversity of African American cuisine.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

This restaurant has been a haven for D.C.'s LGBTQ community since the 1950s.

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

The first presidential bomb shelter was located in an old vault under the Treasury, connected to the White House via tunnel.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

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

You could be standing at the site of one of D.C.'s most fatal tragedies and not even know it.

Obscure Freemasons still live in D.C.’s largest private residence.

The house where John Wilkes Booth conspired with his co-conspirators.

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

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

The oldest continuously operating fish market in the United States.

An Industrial Revolution-era public work that purified water using nothing but sand.

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

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

People escaping slavery may have hidden inside a corpse vault.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.