Through millions of years, erosion and corrosion by both wind and the ocean had helped make rock formations in the form of sea arches come to life. It is an understatement to say the ocean waves have made an impression on the soft rocks near the shoreline. A couple more years to go and they could disappear making it imperative to visit them before it happens.
Lebanon's beautiful shores are complimented by amazing rock formations in the form of Pigeon Rocks. Millions of years ago, the Pigeon Rocks were possibly part of the main land of Beirut. Through natural earthquakes and the force of the ocean, it had eroded the land underneath the main rock, creating the sea arch known by locals and tourists today.
In California is the Arch Rock, a sea arch that could be seen by the edge of Anacapa Island or through its Lighthouse. California's Channel Islands Archipelago often use it as its cover, particularly because the thin rock above the arch makes the Arch Rock truly a beautiful product of nature.
In New Zealand is the Cathedral Cove in the Coromandel Peninsula. The arch is surrounded by beautiful beaches where pleasure-seekers and beach bums could swim underneath the arch to the other side. The Arch gets its name because the arch truly appears like a cathedral, which according to Touropia, gives it "an air of grandeur."
Morocco is the last destination most travelers would think about beaches. But Legzira Beach in Agadir has large sea arches that complement its beaches. Likely due to higher tides in the area millions of years ago the arches were formed. They also glow red during the sunset -- making them a truly beautiful seaside experience.
In Telegraph's list of 17 beautiful sea arches is Dorset's Durdle Door. This thin strip of land is a beautiful sight coming from the mainland's naturally formed staircase down into the sandy strip shoreline. Travelers can freely swim around the beachside and underneath the arches too.