It's like having your own clothing/home/seasonal/etc stylists right at your fingertips! Items are grouped together by theme and you could get lost in all the fun arenas people put together. But if you looking for something specific, treasuries can also help narrow down the great wide world that is Etsy.
They're also a lot of fun to create too!
Behind the Moon Beadworks (btmbeadworks on Etsy) was given some recent features as you can see below.
Green and Yellow Jewelry
Find the treasury here.
Inspiring , beautiful & unique!here.
If you haven't perused an Etsy Treasury yet, I encourage you to give them a try. Maybe even create one yourself!