HistoryGuesser Daily · August 30, 2026 · 2000 BC – 1907
Today's journey spans from the frozen cliffs of Lake Baikal to the sweltering jungles of Cambodia, testing your eye on monumental feats of engineering and the rugged landscapes that challenged them.
The scenes are shown below — tap a card to reveal its place and year.
Round 1 · 1450
Construction of the Machu Picchu Estate
Machu Picchu, Peru
High in the Andes, Incan builders expertly shaped polished dry-stone walls without mortar to construct a royal estate for the emperor Pachacuti, which would later be abandoned during the Spanish Conquest.
Round 2 · 1560
Building St. Basil's Cathedral on Red Square
Moscow, Russia
Commissioned by Ivan the Terrible to commemorate the capture of Kazan, this iconic cathedral's original design was entirely white brick with gold domes, lacking the vibrant colors added centuries later.
Round 3 · 300
Creating the Hummingbird Nazca Line
Nazca Desert, Peru
The Nazca people created immense geoglyphs by removing the reddish-brown iron oxide-coated pebbles that cover the surface of the desert, revealing the light-colored earth underneath to form vast figures.
Round 4 · 1907
Rebuilding the Great Mosque of Djenné
Djenné, Mali
The current Great Mosque is a massive reconstruction of an earlier medieval structure. French colonial administration supported the rebuilding using traditional Sudano-Sahelian mud-brick techniques and distinct palm-wood scaffolding.
Round 5 · 2000 BC
Rituals at the Great Bath of Mohenjo-Daro
Sindh, Pakistan
One of the world's earliest major urban centers, Mohenjo-Daro featured advanced urban planning, including standardized fired-brick architecture and a sophisticated drainage system that fed the watertight Great Bath.
