At the Earth's Core (1976)

A huge burrowing machine tunnels out of control at ferocious speed, cutting clean through to the center of the earth, to the twilight world of pellucidar. Once there, Dr. Perry and David Innes are threatened by half human creatures, lizard-like birds, and man-eating plants.

Genres: Adventure, Fantasy, Science Fiction

What to watch after At the Earth's Core

• The Food of the Gods (1976) — Same feel: fun, dramatic
• The Land That Time Forgot (1974) — Kevin Connor directed both
• Meteor (1979)
• The Core (2003) — Same feel: dramatic, suspenseful
• Dr. Who and the Daleks (1965) — Milton Subotsky wrote for both
• 10,000 BC (2008) — Same feel: dramatic, ambitious