This yellow diamond was once owned by the Medici family of Florence, Italy. It disappeared in the 19th century and has never been recovered. Its value is estimated to be in the tens of millions of dollars.
Stolen from Dublin Castle in 1907, this collection of jewels, including the famous Star of the South diamond, has never been recovered. The theft remains one of the greatest unsolved mysteries in Irish history.
Originally constructed in the 18th century in the Catherine Palace of Russia, this room was decorated with amber panels, gold leaf, and mirrors. It was looted by the Nazis during World War II and its whereabouts remain unknown.
In the early 19th century, a Spanish fleet carrying treasure from South America was captured by British pirate William Thompson. The treasure, valued at over $200 million, has never been recovered despite numerous attempts.
This solid gold statue, weighing 5.5 tons, was discovered by accident in Bangkok in the 1950s when it was being moved. Its origins remain a mystery, and it is believed to date back to the 13th or 14th century.
Located somewhere in the Superstition Mountains of Arizona, USA, this legendary gold mine has been the subject of numerous expeditions and treasure hunts since the 19th century, yet its exact location remains elusive.
When the Knights Templar were disbanded in the 14th century, rumors spread that they had hidden vast treasures. Many believe these treasures are still buried in various locations across Europe, waiting to be found.
Immortalized in literature and film, this mythical treasure is said to be hidden in the mountains of Mexico. Despite numerous attempts to find it, including the famous expeditions led by Howard Hughes, it remains undiscovered.