After looking at these NYC apartments, we can't help but develop MAJOR real estate envy. Penthouses, terraces, and swimming pools galore, these listings make us want to pool together our piggy bank savings in a big way. And even if you can't afford a few hundred mill for your next city pad, they're still fun to look at...right? Click though these top 10 apartments we found on StreetEasy to pick and choose your favorites (even if they are just a bit unattainable).