Tony didn't think he had a mailbox. As far as he knew, most of his homes just had Pepper or Jarvis in it, and one of the two would manage to get the relevant mail into his hands and the rest taken care of by themselves.
"I think J picked up on the zoo when he was scanning the City," he nodded. He hadn't been to a zoo in many years, but it sounded a bit interesting. Especially if there were animals from other worlds, there. Tony was never ignorant to the fact that seeing new things was paramount to a good creative mind. Inspiration for his work was found in the most unlikely places, just like any other genius. Case in point, the cracked mirror in a men's bathroom that had helped him work out the interactive hologram projects he now nearly relied on when building new things.
"Maybe I should get out more. The City must have some use for a genius like me," he said thoughtfully. He didn't really leave Strak Tower too often to be sent places like she was describing.