Double Arch, at 112 feet, is the tallest arch in the park. At 144 feet in length, it's also the second-longest arch in the park. Luckily, this natural wonder is easy to reach. The half-mile trail ...

The double arch consists of two pairs of large jawbones from blue whales which were brought down to the Islands from the South Shetland Islands in 1922 by the Hektor Whaling Company, as a gift for ...