Lava rock, or volcanic rock, is made from the molten lava that volcanoes emit. Available in red or black, it tends to weigh less than many other landscaping stones. Thanks to its porosity ...

In Thailand, mysterious black objects falling from the sky have puzzled locals. A couple in Phatthalung, a province near the ...

River stones and lava rocks for landscaping look great when paired ... they're also available in polished black, white and black gravel styles.