The charming storybook building now houses a small police museum.

The concrete skeletons of an abandoned Swedish town hide among the trees.

For a couple of months each year this Swedish city turns into a festive neon phantasmagoria.

In the town of Åtvidaberg, the midday sun sets off a loud cannon boom.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

This wonky bit of historical taxidermy is experiencing a second life online.

A former hen house turned curiosity cabinet displays one man's lifelong fascination with cannibalism.

Vast network of air raid tunnels beneath Lombardy's capital.

This trio of stone spires claims to be the only preserved medieval execution site in Europe.

Stone carvings record the Norse myth of Sigurd, providing a glimpse into Scandinavia's transition from paganism to Christianity.

Iron Age grave stones and Viking burials, a short drive from Gothenburg.

According to legend, this boat-shaped henge is built over the grave of a mythic king.

Said to be one of Sweden's most haunted places, this vicarage once even attracted a ghost-busting priest.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

This Prague museum collects brutalist relics and memories from the country's former Soviet rule.

The world's oldest individual clonal tree looks like a wimp despite standing tall for 9,550 years.

This chimerical bridge/tunnel appears to dead end right into the sea.

The library's graceful rotunda is like a bibliophile's temple.

Sweden's first nuclear reactor, R1, can be visited 25 meters underground.

A small but charming botanical garden that contains many exotic plant species.

Ancient catacombs form the foundation for this Rococo orgy of a church.

These sculptures of various animals adorn the building that houses one of the capital's least known museums.

The healing properties of this well attracted royals and commoners throughout the Middle Ages.