The 39 Clues Wiki
The 39 Clues Wiki

Unstoppable Locations is a page that displays the ancient civilizations found in Unstoppable.


Troy is an ancient civilization mentioned in Homer's Iliad. It's greatest secrets were kept in Leonardo da Vinci's Lost Cities Codex.

Before Nowhere to Run[]

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.

Nowhere to Run[]

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.


Riven crystal, one dram ground to a powder


Venom of a Tonlé Sap Water Snake, half jigger


The Pueblo were a native people in Southwest US who represented corn as the Pueblo Spiral. The ingredient corn is found Unstoppable Mission 1: Written in Stone.


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.


Boiled roots of three dingetenga plants