All creatures in the garden should be treated as special guests. I came across a bee hotel on Etsy a week ago. To me it was a whole new concept all though I had read a bit about caring for the insects in the garden. The bee hotel is now on its way from Mike in Scotland to my garden.
On a trip to Durbach in South Germany last week I saw bee hotels, or rather insect houses, at the museum!
It's such a basic thing to care for the beneficial insects of the garden. They work for us to pollinate plants and make our toil bear fruits - literary!