Boston, Massachusetts, USA
Boston appears in the books: The Maze of Bones, Vespers Rising, The Medusa Plot, and Nowhere to Run. It is the capital of the US state Massachusetts. It is where Beatrice Cahill lives, and where Amy and Dan used to live. It is also the Headquarters of the infamous Founders Media.
Attleboro, Massachusetts, USA
Attleboro appears in the books: The Maze of Bones, Vespers Rising, The Medusa Plot, A King's Ransom, The Dead Of Night, Shatterproof, Trust No One, Day of Doom and Nowhere to Run. It is the site of Grace Cahill's mansion, where Amy and Dan currently live.
Philadelphia, Pennsylvania, USA
Philidelphia appears in The Maze of Bones. It is where Ted Starling got blind, Ned Starling got endless headaches, and where Sinead got large scars criss-crossing her arms, in an explosion caused by the Holts. It is where Amy and Dan found their partial clue, which is leading up to the first official clue they find (Iron Solute).
Paris appears in The Maze of Bones and The Medusa Plot. It is the site of a Lucian stronghold, the Eiffel Tower, and the first Clue, Iron Solute. It is also where Nellie Gomez got kidnapped in The Medusa Plot, by Vespers.
Vienna appears in One False Note.
Salzburg appears in One False Note.
Seoul, South Korea
Cairo, EgyptCairo appears in the book Beyond the Grave. It has an Ekaterina Stronghold which Bae Oh used to command . But was captured after the gauntlet.
Moscow is the capital of Russia.
St. Petersburg, Russia
Yekaterinburg is where the Tsar of Russia, Nicholas II, and his family were murdered by Madrigals, but only Nicholas II's youngest daughter, Anastasia Nikolaievna Romanov, survived. Yekatinburg appears in The Black Circle.
List (Series One and Two)
Boston, Massachusetts, United States
Attleboro, Massachusetts, United States
Philadelphia, Pennsylvania, United States
Seoul, South Korea
Johanesburg, South Africa
Monte Carlo, Monaco
Prague, Czech Republic
New Haven, Conneticutt, United States
Yale, Conneticutt, United States
Iguazu Falls, Brazil
New York, New York, United States
Washington DC, United States
Rockies, Colorado, United States
Troy is an ancient civilization mentioned in Homer's Iliad. It's greatest secrets were kept in Leonardo da Vinci's Lost Cities Codex. Upon receiving Da Vinci's Lost Cities Codex, Olivia Cahill used it to find out one of the seven ingredients of the Serum Antidote, six whiskers of an Anatolian leopard. Amy and Dan Cahill travel to Turkey, the location of Ancient Troy, after deciphering Olivia's Lost Cities Codex. They travel to Mt. Ida, location of a leopard sighting, and manage to escape Founders Media while finding the whiskers needed for The Serum Antidote
Carthage was an ancient civilization in modern-day Tunisia. One of its caliphs, Uthman, found Plato's third dialogue, Hermocrates, with the location of Tartessos (Atlantis), where the ingredient silphium is found.
Queen Victoria sought the ingredients of the Serum Antidote for her son, but only managed to find, copper butterfly wings from Boudica and hid it.
Tikal: Riven crystal, one dram ground to a powder
Angkor: Venom of a Tonlé Sap Water Snake, half jigger
Abyssina: Boiled roots of three dingetenga plants
Havana is where the outbreak started in Outbreak. The word is even on the front cover!