Bartolome is one of the most spectacular volcanic landscapes in the Galapagos, full of parasitic spatter cones, lava flows, Galapagos penguins and lava lizards. It’s a relatively new island in the archipelago and traces of its volcanic past can be seen everywhere across the lunar-like landscape. Visit Pinnacle Rock – one of the most photographed sites in the Galapagos, this abrupt jag of rock protrudes from the earth like a tooth, close to two golden bays that back onto each other. You can hike to the top of a once-active volcano here (360 wooden steps) for views across to Sullivan Bay, on nearby Santiago Island. If you’re in luck, you might catch a glance of the Galapagos hawk. You also have the option to go snorkelling with plenty of tropical fish, starfish, white-tipped reef sharks, rays and, hopefully, penguins. This afternoon, sail to Bahia Sullivan (also known as James Island). Walk on Pahoe-Hoe lava from an eruption that occurred in 1897 and listen as your guide explains the geological history of the islands. Look out for marine iguanas, Sally Lightfoot crabs, sea lions, finches, turtles, sharks and penguins.