What on Earth?

An abandoned megacity in a remote jungle might be the home of an ancient treasure and a dark secret; when a mysterious circular stone structure is discovered in Scotland, experts investigate whether it's the fabled Round Table of King Arthur.

All Episodes - Season 4

Episode 1

Dracula's Tomb

Episode 2

Fountain of Youth Found?

Episode 3

Mafia Ghost Ship

Episode 4

Beasts of the Lost Jungle

Episode 5

Mystery of Fang Forest

Episode 6

Village of the Damned

Episode 7

The Minotaur's Lair

Episode 8

Lost City Of Goliath

Episode 9

Finding King Arthur

Episode 10

Treasures Of Valhalla

Episode 11

Hitler's Lost Gold

Episode 12

Temple of Blood

Episode 13

North Korea's Forbidden Islands

Episode 14

Cannibals in the Ghost City

Episode 15

Curse of Medusa

Episode 16

Nazi Stonehenge

Episode 17

Hunting the Ark of the Covenant

Episode 18

Forbidden City of Inca Gold

Episode 19

Ghost Ship of Hell Island

Episode 20

Mayan Armageddon: The New Evidence