Why is this painting so captivating?

On first glance, the painting “Las Meninas” (“The Maids of Honor”) might not seem terribly special, but it’s actually one of the most analyzed pieces in the history of art. Why is this painting by Diego Velazquez so captivating? James Earle and Christina Bozsik share the context and complexity behind this work of art.

Source: Ted Edu

Interested in learning more about Spanish Baroque art? The Khan Academy site is a good place to start.  It has some great information which includes another video about "Las Meninas."