Canosa has a real treasure underground, formed by underground (many probably still hidden). These were used first by Dauni Necropolis and, within them, were also celebrated funerary cults, protesters an advanced civilization to the vast era (from 6000 BC to the second century AD). The burials in the tombs (with some variation, from crude graves to the tombs) have continued until the Roman era.
Consist of a dromos leading to a more or burial chambers, the tombs contained, in addition to the deceased (often found in the fetal position), personal objects of this ritrovabili urns or deposited in niches. Over the years, however, many of these artifacts (including precious jewelry in gold and bronze, terracotta pottery, red figures and askos) have been lost (or in private hands), also due to the work of so-called grave robbers. Often, in these sites are valuable allegorical frescoes of the passage of the deceased to the afterlife (dedutio to inferos). Many of the artefacts found in tombs are visible at the premises Sinesi palace and the Museo Civico.
The most important tombs are those of canosini Cerberus, Lagrasta, Boccaforno and Hoplite.
Not far from the town lies in the depths of a clay soil, the necropolis of Santa Sofia, in more recent times (from II to IV century AD) expanded and different compared to other underground, as it dates back to the time of the first publication of the Christianity), discovered around 1960 and is currently undergoing restoration.(wikipedia)