Pellucidar

Pellucidar is a fictional Hollow Earth invented by American writer Edgar Rice Burroughs for a series of action adventure stories. In a crossover (fiction) event between Burroughs's series, there is a Tarzan story in which he travels into Pellucidar.

Pellucidar

Pellucidar is a fictional Hollow Earth invented by American writer Edgar Rice Burroughs for a series of action adventure stories. In a crossover (fiction) event between Burroughs's series, there is a Tarzan story in which he travels into Pellucidar.