London Arch is an offshore natural arch formation in the Port Campbell National Park, Australia. The arch is a significant tourist attraction along the Great Ocean Road near Port Campbell in Victoria. The natural archway and tunnel in an impressive offshore rock formation, but collapsed in 1990 and became a bridge without a middle. Before the collapse, visitors to the site were able to walk across 'the eastern bridge' that stretched across to the mainland. This area is home to a small population of penguins.