These three pillboxes still remain as a witness of the Spanish Civil War in a park of Madrid.

Not far from Madrid, a set of perfectly preserved trenches date back to the Spanish Civil War.

This enigmatic artifact is a rare depiction of an ancient Iberian noblewoman.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

A subterranean relic of the Spanish Civil War hides below this picturesque park.

This small museum tucked within a subway station holds pieces from Madrid's past.

This species of wild goat stars in witchy legends and frolics among the park's eerie rock formations.

This small and often-overlooked museum holds some of Spain's finest artistic treasures.

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.