A subterranean house of worship carved right out of the bedrock.

A stately palace has been converted into the world's largest cannabis museum.

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

A unique exhibit lets blind people experience famous works of art and architecture with their hands.

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

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

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.