-i'm sara gore and this is "open house."week, we're catching up with "million dollar listing new york's" ryan serhant. -today, i'm going to take you into what i think one of the coolest townhouses in all of manhattan. let's go. -and atlantis meets old westbury as we tour a house with aquariums for walls. plus, we visit the home of chicago based interior designer, michael richman. but first, an exquisite estate in beverly hills, which showcases a grand lifestyle from bygone era. [music playing] welcome to "open house." today i'm coming to you from an apartment atop the w new york hotel located in downtown manhattan's financial district. this corner two bedroom, two bath home offers sleeping open views of the manhattan skyline, world trade