Mysteries of the Great Wall of China

Who Was Marco Polo?

Amundsen, the polar explorer

The discovery of America

The Young Investigator's Guide to Ancient Aliens

The Genius of Islam: How Muslims Made the Modern World

Timelines of Everything: From woolly mammoths to world wars

What Was the Lewis and Clark Expedition?

The Story of Sacajawea: Guide to Lewis and Clark

Where Is Jerusalem?

Stolen History: The truth about the British Empire and how it shaped us

Who Was Ernest Shackleton?

Who Was Ferdinand Magellan?

Who Was Charles Darwin?

Cher Ami: WWI Homing Pigeon: WWI Homing Pigeon

Saudi Arabia

Who Were Stanley and Livingstone?

John Smith

Sir Francis Drake

Jacques Cartier