Update: This is an old entry, but I had to append it with this incredible orange Grasshopper going up for auction in LA next week.
Saarinen is best known for his architecture and “tulip” chairs and tables, but my favorite piece is his Grasshopper chair. I would love to sit in one, but, as Scott mentioned in the comments, they just recently went into reproduction by Modernica and I haven’t seen it in person yet.
This one went for $1300 on eBay.
Update: A Grasshopper in the wild: