The magic tree house transports Jack and Annie on a mission to the Ice Age where they encounter Cro-Magnons, cave bears, sabertooth tigers, and woolly mammoths.

A group of scientists undertake an expedition to Alaska's Federal Wilderness Zone to study the effects of global warming. The expedition changes suddenly when the group heads out on a routine foray into a glacial ice cave and makes an astonishing find.

Dusk, the world's first bat, must lead his colony to safety in a time of changing species.

When Gotham City is invaded by prehistoric animals, Batman comes to the rescue.

When Kenai, a Native American boy living in the Pacific Northwest in prehistoric times, is transformed into a bear, he learns about the lives of creatures other than man.

Evolutionary zoologist Nick Cutter and his team investigate creatures from the past and future who have arrived on present-day Earth through mysteriously appearing time portals.

Manny joins a herd of fellow mammoths, who struggle to escape a flood caused by the melting ice.

As financial problems threaten her parents' ranching business, nine-year-old Gussie adds to their difficulties by discovering a monster in the lake on their property.

When Kenai, a Native American boy living in the Pacific Northwest in prehistoric times, is transformed into a bear, he learns about the lives of creatures other than man.

When two suspicious deaths occur in the Bears Ears area, Navajo Tribal Police officers Jim Chee and Bernadette Manuelito must use all their experience, skill, and intuition to find justice. An unexpected death on a lonely road outside of Utah's Bears Ears National Park raises questions for Navajo Tribal Police officers Jim Chee and Bernadette Manuelito. Why would a seasoned outdoorsman and well-known paleontologist freeze to death within walking...