The Thracian Tomb of Kazanlak is a unique monument of Thracian art and culture dating back to the 4th century BC. It is located in the town of Kazanlak, Bulgaria, in the Valley of the Thracian Kings, a UNESCO World Heritage Site.

The tomb was discovered in 1944 and has been preserved as an underground museum ever since. It consists of a domed burial chamber with a circular entrance, a corridor, and a vestibule. The interior is decorated with intricate frescoes depicting scenes from Thracian mythology and everyday life.

The central chamber of the tomb contains a large stone sarcophagus, which was found to contain the remains of a Thracian noblewoman, believed to be a wife of the ruler Seuthes III. The tomb is notable for its well-preserved frescoes, which are some of the best examples of ancient Thracian art.

The tomb is also significant because it provides insight into the culture and beliefs of the Thracian people, who inhabited the region before the arrival of the ancient Greeks. The frescoes depict scenes of Thracian life, including hunting, farming, and feasting, as well as depictions of Thracian deities.

The Thracian Tomb of Kazanlak is considered one of the most important archaeological discoveries in Bulgaria and is a must-see for anyone interested in ancient history and art.