This isn't your average roadway—it's actually a National Park and a transportation pioneer.

The romance of early commercial flight still fills this Art Deco destination.

This lovely picnic spot featuring thunderous jet landings is an aircraft spotter’s dream.

The last vestige of a once substantial orchard and farm in the suburbs of Northern Virginia.

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

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

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

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

The national park was once a plantation estate.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

Home to items never before seen by the public.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Montreal's giant farmer's market is a foodie's best friend, especially in the winter months.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.