This beautifully deceptive waterfall is something far different from what it appears to be.

A 16th-century monastery boasts a lush array of plants native to Mexico’s most biodiverse region.

The stoutest tree in the world.

Madrid's last horchata kiosk is a blue-and-white beacon of refreshment.

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

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

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

This 47-story "M" needed 20 years to be completed

Beautiful tiles decorate many of the town's surfaces and stand testimony to its glorious artistic history.

This amazing example of Valencian Art Nouveau looks more like a cathedral than a public market.

This historic electric train has operated with regularity since the early 1900s.

Haunting monument to the German Jewish philosopher who died while fleeing fascism.

Museum of amazing old toys and automata.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This 15th century pharmacy displays a beautiful collection of ancient medicine jars.

The world's largest solar furnace uses 10,000 mirrors to concentrate the sun's rays to generate power.

Religious dwelling in a Spanish volcano.

Long tunnels run under the ancient chariot racing circuit to the tower.

This Roman arena once played host to bloody gladiatorial battles.

Famed architect Antoni Gaudi built this generous thank you gift to a friendly host who housed him during a job.

Super Robot anime statue guards a forgotten suburban development in Tarragona.