Every beam was once a living tree.
Dendrochronology dates wood to the calendar year — sometimes the season — by reading its growth rings. Four ways into that record, built from real historic Swedish churches, castles, and manors.
Rings of a Building
Grow a historic building's timbers outward, ring by dated ring.
Start exploring →What Sweden Was Built From
Scrub through the centuries and watch oak give way to pine.
Start exploring →The Exact Month a Tree Fell
Bark still attached, centuries later — precise to the month.
Start exploring →Sister Buildings
Buildings hundreds of kilometers apart, built from the same felling.
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