Pitcher plants in a terrarium.
This New York Times' article appeared a while back discussing the roaring comeback terrariums have made--and make sure you check out the slideshow. There are simple instructions on making your own terrarium and they have interviews with a few unique terrarium sellers. Terrariums are a great way to bring the outdoors indoors in an elegant way.
Also, check out this Design Sponge article on the history of terrariums--great for inspiration in making your own terrarium.