ZAPHOD: Wee hoo! Hey, what a cave, man! Hey… we could really…
ARTHUR: We could really what?
ZAPHOD: We could really, you know… BE in this cave.
ARTHUR: We are in this cave.
ZAPHOD: And what a wild cave to be in!
—Douglas Adams, The Hitchhiker's Guide to the Galaxy
A cave is a natural opening within a rock formation which is large enough to permit a human to enter.
List of Noteworthy Caves
Real World Caves
- Event/News: Doomsday Cult In Cave Stand Off
- Event/News: Portal to mythical Mayan underworld found in Mexico
- Event/News: Pluto's Gate uncovered in Turkey