From assassins who plot to poison a Sultan to bitter enemies who sign the world's first peace treaty, discover the secrets inside the Topkapi Palace Museum.

From a dinosaur embryo that solves a murder mystery to a spacecraft catching a comet's tail, discover the secrets inside the American Museum of Natural History.

From Churchill risking his life in the Blitz to 21st Century soldiers who become invisible, discover the secrets inside the Imperial War Museum.

From ancient athletes who kick a severed head to a peasant dress that brings down an empire, discover the secrets inside the National Museum of Anthropology.

From Vikings who break unbreakable swords to curators who solve the world's hardest jigsaw puzzle, discover the secrets inside the Pergamon and Neues Museums.

From the alchemy of turning silver into gold to a dance craze that changed history, discover the secrets inside the Kunsthistorisches Museum.

From a dodgy archeologist who discovers a golden mask to an ancient gadget that reveals the future, discover the secrets inside the National Archaeological Museum.

From ancient mummies who sport tattoos to re-examining who really killed Rasputin, discover the secrets inside the State Hermitage Museum.

From a clock that runs on witchcraft to a 21st Century king who outfoxes a fascist, discover the secrets inside the Palacio Real.

From a scientist who recreates the crucifixion to an ancient amulet that proves Star Trek's Spock is Jewish, discover the secrets inside the Israel Museum.

From a famous artist who vanished to a traitorous Nazi who saved the day, discover the secrets inside the Uffizi Gallery.

From the duel that killed a genius to Lenin’s Rolls-Royce, discover the secrets inside the State Historical Museum.

From the Zeros that bombed Pearl Harbor to the rocket that could take humans to Mars, discover the secrets inside the Smithsonian Institution.

From the schemes of Marie Antoinette to the spectrum of a star that reveals the origin of human life, discover the secrets inside the Chateau of Versailles.

From the musket shot that killed Admiral Nelson to an anti-piracy commando raid, discover the secrets inside the National Maritime Museum.

From the real lives of gladiators to the connection between Star Wars and Tunisia, discover the secrets inside the Bardo Museum.

From the mystery of a Pharaoh's gold to the strange practice of animal mummification, discover the secrets inside the Egyptian Museum.

From the mystery of a king's madness to a silver chalice some think is the Holy Grail, discover the secrets inside the Metropolitan Museum.

From Michelangelo's Sistine Chapel frescoes to the fall of the Knights Templar, discover the secrets inside the Vatican Museums.

From a medieval hand-grenade to an extremely rare dinosaur, discover the secrets inside the Royal Ontario Museum.

From murdered kings to stolen masterpieces, discover the secrets inside the Louvre.

From Darwin's original specimens to a lost workshop that inspired James Bond, discover the secrets of Britain's Natural History Museum.