A lush indoor jungle fills this bustling Madrid transportation hub.

A must for film lovers in Madrid and home to the Spanish Film Library's projection space.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

This macabre masterpiece of a mural is one of Francisco Goya's "Black Paintings."

The Spanish king's private bathroom embraced the idea of a porcelain throne.

Inside this church are the alleged remains of the patron saint of lovers, epileptics, and beekeepers.

One of the best examples of the modernist movement in Madrid.

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.

This lucky bronze frog was gifted to Madrid by a casino.

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

Commonly acknowledged as the only public monument to the Devil himself.

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

One of Madrid's oldest trees, with a long and colorful history, resides in El Retiro Park.

Known as the Casa de las Siete Chimeneas, this haunted 16th-century manor has a dark, mysterious past.

This little sun pays homage to a massive gate that once stood at this location.

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

These distorting, funhouse mirrors achieved fame in a renowned piece of Spanish theater.

This sculpture pays homage to the street sweepers of Madrid since its inauguration in 2001 in Plaza Jacinto Benavente.

Automatons that were once removed after one fell from the building.

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

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

Among the oldest structures in Madrid, these Moorish walls once guarded the medieval city of Mayrit.