hollow earth

This is a compendium of theories of the shape of the Earth, along with a great deal of 'Earth Mystery' lore. Richly illustrated, the Book of Earths includes many unusual theories, including Columbus' idea that the Earth is literally pear-shaped, modern theories that the Earth was originally...

The idea that our planet consists of a hollow, or honeycombed, interior is not new. Some of the oldest cultures speak of civilizations inside of vast cavern-cities, within the bowels of the earth. According to certain Buddhist and Hindu traditions, secret tunnels connect Tibet with a...

Agartha (sometimes Agartta, Agharti, Agarath, Agarta or Agarttha) is a legendary kingdom that is said to be located in the Earth's core. First English translation of the book that introduced the realm of Hollow Earth Explores the underground world of Agarttha, sometimes known as Shambhala, a...

In 1811, a Norwegian sailor named Olaf Jansen claimed he had sailed through an entrance to the inside of Earth at the North Pole. He claimed to have lived in the beautiful paradise for years with his father, among humans who were 12 feet tall and immune from illness. This is a small book...