She stares out across six lanes of traffic, clutching a musket and infant with determination.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

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

At 207 feet, one of the world's longest continuous escalators.

A hidden passageway now marks the site of an assassination attempt on Ronald Reagan that some say broke a 140-year-old curse.

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

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

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

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

The iconic D.C. restaurant where the Cuban Missile Crisis was negotiated, now a Walgreens.

A painfully obvious spy house sits right across the street from the Russian Embassy.

Washington's top-secret Cold War-era doomsday communications tower is located in a small neighborhood park.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The school tested mustard gas for the U.S. Army during World War I.

Surrounded by a verdant garden and a backdrop of ivy, a monument to beloved poet Khalil Gibran stands outside of the Lebanese embassy.

This war hero's old shop remembers the fine line between medicine and quackery during the Revolutionary War.

This historic, one-acre island is the only legal place to camp in the city of Richmond.

When it comes to handsignals (and colonialism) rock always beats scissors.

The most accurate timepiece in the world.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

Home to items never before seen by the public.

A contemporary fresco movement illustrates the region's rich history.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.