It’s Eagle, the Apollo 11 lander, in the Sea of Tranquillity. The Moon’s seas are plains of old lava, with no water in them at all.
A spacecraft worth a fortune has been sitting at the bottom of a sea for decades, and nobody is trying to bring it back. Why not?
Give me a hintThe hint
Which sea?
Reveal the answerHide the answer
The sea is on the Moon
Source: Thomas Freeman, in Jed Hartman’s list of situation puzzles, no. 2.25