They quickly reached the bottom of the cave, archaeologists said, but then noticed a submerged passageway. The unknown tunnel had never been explored before, so the two cavers decided to take a ...

Decidedly unremarkable from the top, that open door actually leads to something surprising and seemingly impossible: a hand-carved tunnel beaten into a rocky California bluff that leads to a cave ...

Visitors can look forward to seeing medieval manuscripts and detailed drawings by notable 19 th century architect TC Hine, which show the majestic Park Tunnel ... Group in a cave that had been ...

In 1942, approximately 300 local residents were forcibly employed to construct the cave. These workers faced extremely poor working conditions, minimal wages, and inadequate facilities. They excavated ...