A team of the world's leading experts are in Brazil in their search for the giant sloth.
Sea serpent sightings in Australia.
Twice the size of a brown bear, the god bear of Kamchatka is thought to be a relic from the Ice Age.
The predictions of Nostradamus.
The giant squid.
The world's largest captive snake is a 22-foot python.
Birds of the Sierra Madre.
Tracking down the beast of Bodmin Moor.
The search for Champ in Lake Champlain, between New York and Vermont.
Tales of giant manlike apes and wild men.