When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

A 15th-century former coaching inn forms the implausibly grand entrance to a 1980s shopping mall.

A labyrinthine underworld of tunnels and caverns hides beneath the city.