Under the cover of moonlight off the California coast, an eerily silent and angular vessel known as the Sea Shadow emerged, defying all traditional ship design with its shifting, enigmatic form.

Doo? In Delaware, you get the “Land-Doo” — a one-of-a-kind ride that looks like a personal watercraft but cruises on roads.

The "Vsevolod Sibirtsev" stands as the largest floating fish factory in the world, a true marvel of engineering. With a height equivalent to a 15-story building and a length comparable to the Winter ...