Laetoli – human footprints from the Pliocene era (3.7 million years ago) preserved in volcanic ash[11] Siwa Oasis in Egypt – hominid footprint over 3 million years old[12] Koobi Fora – 1.5 million-year-old hominin footprints in Kenya showing essentially modern bipedal locomotion[13] The Ciampate del Diavolo in Italy are a series of hominid footprints in solidified ash from the eruption of a volcano 345,000 years ago Acahualinca – 2,100-year-old human footprints fossilized in volcanic ash and mud in Nicaragua[14] Uskmouth – human footprints carbon dated to 4200 BC preserved in clay[15] Hawaii Volcanoes National Park – Footprint impressions found in the Ka’u Desert ash within Hawaii Volcanoes National Park[16] Footprints of Eve – the oldest known footprints of an anatomically modern human[17] 1790 Footprints – a set of footprints on the island of Hawaii Happisburgh footprints – footprints of about five adult and children members of Homo antecessor dating to more than 800,000 years before present, found at Happisburgh in England[18] Pilauco footprint, the oldest footprint found in the Americas[19]