Urban Hardscapes by Indiana Limestone boulders add a strong accent piece to any landscape design. They can be used to delineate spatial elements while providing a striking accent. Natural stone boulders can act as a statement piece for your next outdoor living project. The only limitation is your own creative vision. Genuine Indiana Limestone boulders offer an opportunity for material continuity in accents and designed elements. They not only look beautiful, but also stay cool to the touch in the hot summer sun.