In Moscow, it's common for two buildings to have blind walls facing each other over a wide alley. This setup provides the perfect space for a lithe, little office to build itself a perch. The structure fuses onto the neighboring buildings with steel clamps, hovering off the ground so pedestrians can stroll under it. It also glows at night, thanks to a translucent plastic shell, looking like a wasps' nest from hell. — theatlanticcities.com

Architect Michael Graves considers the Portland Building one of his top achievements even though the building is still controversial. mdler thinks "this thing is a POS" and elletoman commented "gross". Donna Sink disagreed arguing "I love the Portland building and most important I love that this building happened.