Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

This disused VLF radio station is no longer in service but the surrounding town still bears its name.

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

Amsterdam's former hotspot for public executions and dissections.

Colorful and chaotic stacked hotel in North Holland.

The place where Czar Peter I of Russia resided in 1697 during his Grand Embassy.

An ingenious Dutch land art project uses grass ridges to cut airport noise pollution in half.

It appears as if a man is standing behind this giant airport clock, painting the hands in real time.

The birthplace of most all of Europe's space missions is here on the Dutch coast.

Mountain where Jesus was first tempted by the Devil.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

An impressive monument to Poland's independence.