The capital of the U.S. is filled with museums -- many of them free to visit as they're part of the Smithsonian. It's no wonder these places are so popular.

Click to open image viewer. The Apollo Command Module primary source of electric power was from a set of three fuel cells housed in the Service Module. Each fuel cell combines hydrogen and oxygen to ...

Chevy got a lot right the first time around with the C8 Corvette, but the interior, though quite radical in style, was more ...