I love it when artists play with nature in their work. In particular I have a thing for that kind of art that puts nature into a different perspective and makes you look at it in another way. A selection of artists have done exactly.
Detail of "Stress" by Yoan Capote. The artist uses the weight of 17 tons of concrete and monumental scale to reinforce the symbolism of the weight and impact of the work in public space. Check out the full piece through the link.