Today's Geo Quiz was about a historic railway line that takes passengers into the foothills of the Himalayas.
Mark Twain rode this train over a century ago.
The answer is the "Darjeeling-Himalayan Railway."
Now -- don't confuse the historic train with "The Darjeeling Limited."
That's the Wes Anderson movie, which also takes place on a train in India.
Reporter Sheri Fink says the fictional "Darjeeling Limited" bears little resemblance to the real deal.
Listen to the report