Running for 14 kilometers, and reaching heights of up to 700 feet, the Cliffs of Moher are one of the most spectacular natural sights in Ireland. Recognized by UNESCO for their ecological importance, nearly 30,000 pairs of birds from 20 species, including Atlantic puffins and razorbills, nest at the cliffs during peak season, with grey seals, porpoises, dolphins, minke whales, basking sharks, and the occasional sunfish plying the waters. A majority of the 1.5+ million people who visit the cliffs stop by the fantastic Visitor’s Center to learn about the geology, history, flora and fauna of the cliffs through interactive media displays, or see some unique perspective - such as a video from the underwater caves below the cliffs. If you want to avoid the crowds, there are several more remote access points, and walking trail that works its way along the cliffs.