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

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

The final resting place of the great navigator, or maybe his brother.

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

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The former home of Norway's greatest romantic composer.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Home to three historic ships from the age of Vikings.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Amsterdam's Red Light District leaves little to the imagination.

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

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

A beautifully eclectic mix of architectural styles.

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

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

Cat art as far as the eye can see.