I love tree hives; this one has a great observation feature with what looks like a curved plexiglass window.
Melissa Hayes, mason jar bee hives made me think of you
Breathing Bee Air?
Beehives in the fields …
Langstroth Hive with a Green Roof
How to Get Started with Honeybees | The Prairie Homestead
Beekeeping - what to consider BEFORE you get bees! | http://ImperfectlyHappy.com
Raising Queen Bees
DIY Drill Powered Honey Spinner
Honey in a Mason Jar
38 Free DIY Bee Hive Plans & Ideas That Will Inspire You To Become A Beekeeper
Top Bar Hive Plans – David Bench | The Wasatch Beekeepers Association