Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

A small island dotted with old, historic Finnish buildings.

A replica of the home of a famous fictional troll family.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

The smallest restaurant in the world.

A little-known sculpture park of contemporary environmental art in a Lapland forest.

Crawling into this primordial cave may feel disconcertingly familiar.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

Villas that once served as playgrounds for the rich now fall away in decay.

This lake-bound geographical marker sits at the point where three European countries intersect.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Menacing or in memoriam, the Silent People and their meaning are left to interpretation.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

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

Rent out a glass igloo to watch the Northern Lights like you live in the future.

A subterranean house of worship carved right out of the bedrock.

Come stay at a live-in art installation.

A comedic homage to a beloved German actor.

This mine is home to the largest man-made hole in Europe.

The old castle kitchen where nucleic acid was first isolated is considered the "cradle of biochemistry."

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

One of two electrical towers in Germany that have a pathway constructed through the tower's legs.

An oversized, oddly designed pedestrian overpass has drawn comparisons to a commode for pachyderms.