While strolling through Stars Hollow, Emily says they are antique shopping in Litchfield and Washington Depot. Washington Depot is known as the "real Stars Hollow".
The set for Jess' publishing company is the same interior as the Black, White & Read movie theater in Stars Hollow.
The song the kids are singing on the bus is "The Elements" by Tom Lehrer (the melody is essentially that of "The Major General Song" from Gilbert and Sullivan's "The Pirates of Penzance"). It also appeared in the animated 1990's show Animaniacs (1993).
An aerial view of Philadelphia is shown, including the "Rocky steps". Milo Ventimiglia starred in Rocky Balboa (2006) as Robert Balboa Jr.
The t-shirt Jess is wearing - that bears a resemblance to Rory, is the album cover to Dinosaur Jr.'s Green Mind.