A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

In the fictional world of Kcymaerxthaere, celestial wonders marked a portal to a powerful route of travel at this site in Madrid, Spain.

This amazing abuela became a diehard metal fan late in life and an icon of Madrid's '80s rock scene.

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.

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

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

Climb to the top of its spiral spire for spectacular views of Copenhagen.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

A collection of noses tucked inside an art museum reveals how times have changed.

The largest bottled beer collection in the world holds over 22,000 unique beer bottles.

An ultra-modern diversity park in Denmark has turned an entire city block electric pink.

Copenhagen's celebrated theme park and gardens.

A curious collection of locks and keys.

A charming flea market shop dedicated to retrofuturistic apparati.

Dolls of all shapes and sizes display the eras of femininity in this spooky and beautiful collection.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

The tomb of history's greatest potato promoter is surrounded by tubers.

Walk through spectacular aisles of hanging meat and wagon wheel–sized cheese at the world's largest wholesale food market.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

Collection of antique taxidermy and natural specimens, near one of Paris's oldest flea markets.

The personal library of the founder of modern neurology is open to visitors.