Kardamena has many exciting and safe dives through a variety of unusual dive sites including unusual rock formations with caves and tunnels, reef dives and the opportunity to dive through bubbles rising from a volcano. (loveholidays.com)
Banderas Bay is home to an astounding array of unique underwater attractions, including unusual rock formations, expansive coral gardens, schools of exotic fish, pinnacles created by ancient lava flows, as well as undersea walls, cliffs, and shelves. (vallartatourcenter.com)
Yehliu Geopark, located right be the ocean, is known for quite unusual rock formations. (bykaja.wordpress.com)