Lake __, Source of the Nile, Found by Speke
Puzzle 13 of Great Explorations Hard Pack
Question is: Lake __, Source of the Nile, Found by Speke
and the answer is: VICTORIA
Word Meaning:
VICTORIA — A kind of low four-wheeled pleasure carriage, with a calash top, designed for two persons and the driver who occupies a high seat in front.
Definitions from Wiktionary.