This is Vadstena Castle, from my first visit to this part of Östergötland a few days ago. There’s no denying the scale or the design – it’s impressive. But standing here, it also feels almost oversized, out of proportion with the relatively small town around it.

I’ve read that this imbalance wasn’t accidental. When Swedish king Gustav Vasa ordered the construction in 1545, he wasn’t building a local stronghold for Vadstena. He was making a statement. Placing a fortress like this right next to the Birgittine monastery wasn’t subtle – it was a way of asserting royal power over the Church, marking a shift in who held control over the souls of this country.

Gustav Vasa wasn’t just consolidating power in stone. He also drove the Reformation in Sweden, breaking with Rome and commissioning the first full Swedish translation of the Bible in 1541 – a move that helped place both faith and authority more firmly under the crown.

Right beside this assertion of royal authority stood the legacy of Saint Bridget of Sweden, a 14th-century mystic, writer, and founder of the Birgittine Order. Her monastery in Vadstena had long been one of the most important religious centers in the country, drawing pilgrims from across Europe. The contrast between her spiritual influence and Vasa’s political ambition is hard to miss.

What began as a defensive structure, built to guard against Danish threats, was reshaped into something more refined under Vasa’s son Magnus. That transition is still visible – the heavy, uncompromising stone walls set against the more decorative, almost delicate upper details.

The castle was meant to feel like something much larger than its surroundings, a contained world of its own – built to house a court, soldiers, and the machinery of power near Lake Vättern. Not entirely unlike Göta kanal – a different kind of ambition, but driven by the same mix of vision, labor, and stubborn will.