Angkor Wat Third Gallery, Siem Reap, Cambodia — The outermost gallery walkway stretches nearly 800 meters and is lined with the longest continuous bas-relief narrative in the world. The eastern gallery depicts the Hindu story of heaven and hell, with 37 heavens and 32 hells rendered in vivid detail.
© Marcin Konsek, CC BY-SA 4.0, via Wikimedia Commons