You need to visit Brunel Museum a museum dedicated to the world’s oldest tunnel under a river and one of London’s best-kept secrets. This historical hidden gem is home to one of the greatest engineering projects in history. Step down into the world’s first tunnel through soft ground under a navigable river, once dubbed the eighth wonder of the world. On your visit, explore the history of the Thames Tunnel, the unique events they held underground and how the space is used today. Will you add this