A decorative stand assembly for combining a terrarium, an aquarium and a waterfall includes a terrarium for housing plant life. The terrarium has a plurality of first windows therein for viewing an interior of the terrarium. A waterfall housing is positioned on the terrarium and the waterfall housing has a plurality of second windows for viewing an interior of the waterfall housing. A pump is positioned within the waterfall housing to pump a fluid into the waterfall housing for simulating a waterfall. An aquarium is coupled to the waterfall housing to house fish.
