North Acropolis, Tikal, 2014
The full northern face of the North Acropolis stretching across the Great Plaza — a royal necropolis that accumulated for over a millennium. What looks like a single structure is actually centuries of construction stacked on top of itself, each layer sealing the one before it. © Adam Jones from Kelowna, BC, Canada, CC BY-SA 2.0, via Wikimedia Commons

More on this story