Many of us are intrigued with history and lost cities. National Geographic editor and archaeologist Ann Williams is one of those people who digs around and writes about discoveries from the past. She's often been on-hand to witness important discoveries – some that she talks about in the new book from Nat Geo called Lost Cities, Ancient Tombs… 100 Discoveries that Changed the World

This book is a feast of pictures and information about astonishing discoveries – from the Dead Sea Scrolls to the Lost City of the Monkey God.

In our chat, we find out how technology affected archaeology, (we even get an explanation of how LIDAR works!) accidental discoveries, amateur archaeologists, and the woman who tried on the jewelry of Troy. Plus - how exciting it is to make "snapshot of a moment" finds.