When people think of big engines, they usually think of regular gas engines, like Koenigsegg's 2,300-horsepower monster. However, if you think about it, there are many much bigger vehicles out there, ...

Cruise ships are objectively ridiculous machines. They're the size of mountains, weigh as much as skyscrapers, and burn enough fuel in a single voyage to make entire country coastlines seem clean.

Aerial view of Coral Princess cruise ship entering harbor under partly cloudy skies. - Nancy Pauwels/Shutterstock Whether or not you enjoy the idea of setting off on a cruise, there's simply no ...