In the books there were clock barrens, which have been adjusted for the show. (The Clock Barrens also turn up in season four.)
One of the weapons found on the wall of weapons in the bank is a bat'leth; a dueling and battle weapon of the Klingon race from Star Trek: The Next Generation (1987).
Jade Tailor (Kady Orloff-Diaz) speaks some Hebrew when talking to her contact. Jade is of Israeli descent on her fathers side in real-life.