UNESCO-protected ancient burial ground.

An homage to the medieval rulers of Bulgaria.

A statue of the Soviet leader still stands in a quiet corner of Estonia’s most Russian city.

Pigduck of Turku.

This abandoned fighter jet launch center is now a haunting street racing course.

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

A former imperial sea-fortress and Soviet prison.

Hundreds of unusual wheel crosses poke above the earth in this small Estonian cemetery.

This abandoned office building is a lasting example of Soviet-era architecture.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

This former medieval prison now unlocks Estonia’s rich photographic history.

The first designer power line in Estonia.

This medieval Estonian tower provides access to a series of tunnels that have been home to soldiers, punks, and fine art.

Legend says lovers who hold hands while venturing along this stone jetty and kiss at the end will remain together forever.

These two strange cones are actually a system of old nautical navigation beacons.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

A top secret Cold War bunker hidden beneath a Latvian spa facility is now open for tours.

A clerical error gave rise to this imaginary micronation in the southwestern corner of Estonia.

Finnish lake, and scene of an infamous murder mystery.

No matter how many times this community-run sauna gets destroyed, it always rises from the ashes.

Wars fought and wars won are remembered by these abandoned bunker ruins.

The enormous isokinetic structure hangs within a science center in Estonia.

This unique eatery offers a taste of Estonia's "Onion Route."