An old-fashioned dome makes a perfect container for tall plants. This group of insectivorous plants -- Scarlet Belle pitcher plant, purple-blooming Mexican butterwort and Venus fly trap -- grows in sphagnum moss. The raised dome allows insects to enter.
I remember when this was the new rage. It is a great idea & I want to get another fish bowl going soon. Trudy (water lettuce, peace lily, spider plants & plain philodendron ivies make good water gardens)