Sarracenias and some other carnivores can thrive in a container without a drainage hole as they must be kept consistently moist.
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.
Oooooh, pitcher plant terrarium! Something like this might be happy in our bathroom?
Nepenthes, popularly known as tropical pitcher plants or monkey cups, is a genus of carnivorous plants in the monotypic family Nepenthaceae. The genus comprises roughly 140 species, and numerous natural and many cultivated hybrids.