Over time, this castle grew to encompass the entire island.

The first designer power line in Estonia.

This peculiar border irregularity is the only way to legally enter Russia without a visa.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

This large copper bolt represents the benchmark for measuring sea levels in most of Europe.

A beautifully eclectic mix of architectural styles.

This tree was once used to calculate the decrease of the Baltic Sea.

This Dalecarlian horse is about the size of a pinhead.

A concrete Picasso in the middle of a student housing complex on the outskirts of Stockholm.

Sweden's oldest animated sign is still lighting up the skyline today.