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

This micronation's flag honors its favorite drink, Kaffegöken, or "cuckoo-coffee."

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

This roundabout was renamed in honor of the Swedish king's royal fender-bender.

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

This innocuous-looking button may have been used to assassinate a king.

Rocks carved with biblical passages in the 1800s.

Hidden in plain sight, Sweden's official ordnance datum is now abandoned.

The Swedish flag over this small naval fort signals that the nation is at peace.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

A plaque marks the house in Stockholm where the French philosopher René Descartes lived up until his death.

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

Stockholm's narrowest alley is barely over two feet wide.

The internet as provided by a James Bond villain.

A 13th-century convent where St. Margaret of Hungary spent her teenage years.

Time stands still at this serene burial ground in the center of Budapest.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.