Of the two types of terrariums, open and closed, a self-sustaining terrarium is the closed type. It's created with plants and organic and decorative materials sealed inside a glass container. The ...

These small greenhouses are easy to make and care for. Terrariums are self-sustaining ecosystems perfect for growing plants that thrive in high humidity, like tropical ferns, mosses, and air plants.

Native to northern Mexico, the southeastern U.S., and the Caribbean, Tillandsia plants absorb nutrients and moisture from the air. For a minimalistic terrarium, combine an air plant in glass with a ...

Low-maintenance pets like freshwater fish and turtles are best for busy people, requiring little time and effort to care for.