An adventurer returns to the hollow interior of the Earth in search of his lost love.

Stranded U-boat survivors and their rescuers contend with dangerous beasts and prehistoric people in a strange lost world.

When the beautiful Princess Thuvia of Ptarth is kidnapped, suspicion falls on John Carter’s son Carthoris, who sets out to rescue the woman he loves.

Tara, Princess of Helium and daughter of John Carter, finds life-threatening adventure in thrilling far-off regions of Barsoom.

An orphan is raised by apes in Africa and goes on various adventures.

Tarzan attempts to leave behind life in the jungle but rapidly discovers that life among humans contains just as many dangers.

An old enemy kidnaps Tarzan’s family, and Tarzan must rescue them with the help of his panther and ape friends.

Upon discovering his father’s past life in the jungles of Africa, Tarzan’s son sets out to follow in his footsteps.

After seeking the riches of Opar, Tarzan must save his wife from captivity.

Tarzan embarks on a perilous journey through war-torn Africa to exact revenge against those who wronged him.

A young man travels to the moon with a group of companions and discovers that it’s inhabited; in subsequent centuries, reincarnations of the same man deal with an invasion of the Earth by the malevolent inhabitants of the Moon.

Tarzan seeks to rescue his kidnapped wife from a lost city hidden in a prehistoric jungle.