This antique farmhouse is one of Læsø's rare seaweed houses.

The largest of Denmark's seven mysterious round churches stands on an island in the Baltic Sea.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

Denmark’s never-ending bridge.

Tiring of digging out the door to this church for every service, it was eventually abandoned to the sands.

This ultra-modern wooden boardwalk turns the ocean into a swimming pool.

A perfectly circular stronghold constructed in the 10th century is now a nucleus of Viking culture housing a museum, village, and reenactment of an epic Viking battle.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

A collection of noses tucked inside an art museum reveals how times have changed.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

Dedicated to the "father of modern education," this museum documents the history of education in Czechia.

A former squatter's paradise outside Prague.

This charming wooden church was disassembled and moved not once but twice before settling in this Prague garden.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This doorless 20th-century elevator doesn't stop or slow down.

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

What looks like a suicide in progress is actually a statue of Sigmund Freud.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

A steampunk-styled three-floor factory churning out art, activism, and electronic beats.

A Jenga-style cylindrical tower of books that appears to go on forever.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.