Tourists and locals in Oahu, Hawaii, are once again able to view an ancient marvel.Hawaiian petroglyphs dating back at least half a millennium are visible for the first time in years, according to The Associated Press (AP). (See the video at the top of this article.)The stick figure-like etchings were revealed due to seasonal ocean swells that peel away sand that had been covering over two dozen images, AP reported.BEACH TOWN BANS MEN'S TOO-SHORT SWIM TRUNKS, SPARKING DEBATE AND RULE FLIPFLOPPetroglyphs are also known as kii phaku.They're lava rock carvings etched into stone centuries ago made by Native Hawaiians, according to the Hawaii Islands government site.CLICK HERE TO SIGN UP FOR OUR LIFESTYLE NEWSLETTERWhile researchers are not sure what the echings mean, it is believed they mark birth records or other important events.Carvings of human forms, canoes, turtles and other objects are pictured around the islands.For more Lifestyle articles, visit foxnews.com/lifestyleIn 2023,9.6 millionvisitors traveled to Hawaii, according to theHawaii Tourism Authority.Oahu is home to the state capitol of Honolulu and is the third largest and most populated island in Hawaii.The island of Oahu has two main extinct volcanoes, Waianae and Koolau. They're responsible for forming the island.The Associated Press contributed reporting.