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The Pirates' Islands and Their Treasures
Lena and Petya embark on an expedition to the Caribbean islands in search of pirate treasure. Overcoming many obstacles, they find...
The Mystery of the Ancient Musicians
Lena and Petya embark on an archaeological expedition to Harappa, one of the most important cities of the ancient Indus Valley Civ...
The Secret of the Ancient Parchments
Lena and Petya travel to Turkey, to the ancient city of Ephesus, where they must solve the mystery of ancient parchments. These pa...
Secrets of the Inca Mirrors
Lena and Petya travel to Peru to investigate the mysterious Inca mirrors in Machu Picchu. These mirrors have special properties an...
The Secrets of the Egyptian Pyramids
Lena and Petya travel to Egypt to uncover the secrets of the majestic pyramids at Giza. During their excavation, they discover an ...
The Mystery of the Great Stenographer
Lena and Petya find themselves in the Louvre, where they study ancient manuscripts. They discover a mysterious scroll written by a...
The Pharaoh's Lost Treasures
Lena and Petya travel to Egypt to explore the Valley of the Kings. During their excavations, they discover a secret tomb with the ...
The Lost Treasures of the Pharaoh
Lena and Petya travel to Egypt to explore the Valley of the Kings. During their excavations, they discover a secret tomb with the ...
The Mystery of the Vanished Incas
Lena and Petya find an old map that leads to a forgotten Inca city in the mountains. They overcome mountain peaks and make an asto...
The Mystery of Mount Rushmore
Lena and Petya travel to the United States to unravel the mystery of Mount Rushmore. They find a hidden cave and mysterious inscri...
The Secret of the Gates of Heaven
Lena and Petya travel to the highlands of the Andes in Peru, where they discover ancient Inca gates that lead to another world. Wh...
The Secret of the Ancient Tool
Lena and Petya travel to South Africa, where they find a unique stone tool used by prehistoric humans during excavations. Their re...