The oldest giants in Catalonia are now displayed in a 14th-century Gothic church.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A temple to modernity, tucked away amid Barcelona's more well known museums.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

An ancient Egyptian temple in the middle of Madrid, Spain.

This funky former tobacco factory is one of the most striking examples of Madrid's cultural diversity.

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

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

A grassy pyramid named after a French battle.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Colorful and chaotic stacked hotel in North Holland.

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

The world's only museum devoted to the wonders of fluorescence.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

A beautifully eclectic mix of architectural styles.

Museum preserving torture methods from the past.

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

The spectacular history of spectacles on display.

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