Pulling a carriage in New York City isn't all that different from pulling a carriage in Equestria. Except for the regulations—the law is complicated, and not really set up for an Equestrian pony.
Most food carts in Philadelphia have a theme and menu. Parsnip doesn't have a menu, but she does have a theme—whatever she can get cheap at the farmer's market the day before.
For four pony visitors to Earth, practically everything is new and overwhelming, including food: not only in the wide variety of foods available, but how do you eat them with hooves?
“Tour America by Rail!” the sign said, and so Sweetsong does. Everything she needs for a journey fits into her saddlebags, and there are plenty of trains to choose from if she’s resourceful enough.
Chipotle, an upscale Taco Bell that might come with a side of worms, as Twilight discovers. Luckily, there's medicine to fix that. Unluckily, well. . .