From time to time it’s possible to visualise places so clearly in your mind’s eye that you feel like you’re actually there.

Some caves and caverns require a permit to enter ... Natural Bridge State Park is a sweeping natural travertine rock arch that creates a cavelike feel. Easy trails provide views of the arch ...

The bats are common throughout Africa, but this cave was special—shaped like an arch with light shining in at both ends. The rock ceiling was low, which meant the bats would be close and the ...

The prehistoric human skull found in the Petralona Cave in Northern Greece challenges the Out of Africa theory of the origin of Homo sapiens ...

This popular 11-mile out and back trail passes under Arch Rock, a narrow natural tunnel formed over time due to wind and water erosion, and leads to the Alum Cave Bluffs and overlooks, such as ...

Having enjoyed a successful career in the motor industry, 67-year-old Victor has found a new lease of life as a Cave Tour Guide in Co Fermanagh’s subterranean wonderland. READ MORE: Lisa McHugh ...