France's national museum of scientific and industrial instruments.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

Amsterdam's former hotspot for public executions and dissections.

Europe's first floating restaurant is home to a hilarious legend.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

France's most famous cemetery, with some of its most curious tombs.

A beautifully eclectic mix of architectural styles.

The place where houses are born.

Made of 41,900 pieces of mosaic, it took two years to piece together this giant egg.

The world's longest wildlife overpass provides Hilversum's critters with a safe alternative to trying their luck on the roadway.

Most complete collection of Gymnosperms in the world.