"Heart of Gold" is a fictional spaceship from the science fiction series The Hitchhiker's Guide to the Galaxy, created by Douglas Adams. It is known for its unique ability to travel through space using the "Infinite Improbability Drive," which allows it to reach any point in the universe almost instantaneously. The ship is characterized by its sleek design and advanced technology, making it one of the most sought-after vessels in the galaxy. The Heart of Gold is piloted by Zaphod Beeblebrox, a two-headed, eccentric character, and serves as a central setting for many of the series' adventures.