London

This is where the story begins and the location of much of the plot involving Nicholas, the twins, and Dee.

Paris

This is an important location from the previous book and to the sending of Joan of Arc and Scatty to The Pleistocene Epoch.

San Francisco

This is the city in which the twins first met the Flamels and where Perenelle is trapped for most of the book.

Alcatraz

This is the former prison and historical monument that has become a zoo for deadly creatures Dee plans on wakening.

Stonehenge

This is the leygate to San Francisco.

Leygates/Ley Lines

These are pathways for traveling through time and space. They are found all over the world.

Notre Dame/Point Zero

This famous Cathedral and leygate that Dee used to send Joan and Scatty back in time.

Shadowrealms

These are artificial worlds created by Elders. Once one enters...