American Dad Wikia

The Langley Falls is the waterfalls on the edge of Langley Falls.

Akiko and Steve go here in "Best Little Horror House in Langley Falls" to hide from Toshi in caves behind the falls after Steve keeps Akiko out late while Trick-or-Treating. Toshi discovers them and chases Steve.

Steve tries to escape from his mother's intense spelling bee preparation at the falls in "Spelling Bee My Baby" and finds Akiko doing the same thing, resulting in their falling in love.