A historic ruin just 20 feet away from a busy highway onramp.

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

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

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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.