Read the source of the allusion.
In the 1939 film The Wizard of Oz, Dorothy, a young farm girl from Kansas, finds
herself in Oz, an unusual place that looks nothing like her home. She says to her
dog, "Toto, I've a feeling we're not in Kansas anymore."
What is the meaning of the allusion in the sentence below?
Ellie entered the bustling, aromatic spice market in Istanbul and said to her travel
companion, "We're not in Kansas anymore."
we're outside of the United States
we're excited for a new adventure
we're in an unfamiliar place