Enormous ants wielding giant pine needles guard a Stockholm real estate company's office.

The largest refracting telescope in Europe is housed on the grounds of a former French castle.

Several cannonballs of mysterious origins decorate two buildings in Stortoget's main square.

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

Portraits of musicians line Oude Binnenweg, the jazziest street in the city.

Europe's official "zero-level," the equator of elevation.

This functional solar system model was inspired by the famous Eisinga Planetarium.

A curious collection dedicated to human and animal anatomy and pathology.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

The attic of a four-century-old canal house hides a clandestine church.

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

This cheese shop also houses a museum devoted to Dutch dairy.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

A Viking man's tribute to his brother stands in Gävle's oldest church.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

Tour the inside of a massive lava tube formed during a 1949 volcanic eruption.

Stop by, and you'll receive a map to two well-preserved ancient petroglyph sites.

Tools, pottery, and mummies showcase the history of La Palma's native people.

The final resting place of the man whose name has become synonymous with greatness.