Whimsical sculptures and caves chiseled by nature over the millennia.

Poet Antonio Machado's former residence offers the quintessential Castilian lifestyle of the provincial towns in the early 20th century.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

A breathtaking and biodiverse wilderness in the mountain setting of Ernest Hemingway's "For Whom the Bell Tolls."

This 18th-century pond is one of the main attractions in the Jardín del Príncipe in Aranjuez.

Meant to resemble a massive tree, the building is the best example of Spanish organicist architecture in Madrid.

This modernist bridge highlights the bear as a symbol of Madrid.

King Carlos IV laid the first stone during construction of this chapel.

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

Order cookies baked by cloistered nuns in a 400-year-old monastery.

Once a resting spot for King Fernando VII.

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.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

This piece of early engineering is rather unknown despite its location in the heart of Madrid.

The remains of a convent turned military barrack in the heart of Madrid.

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

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

A comprehensive look at the art of Joaquín Sorolla in his former home in Madrid.

A haven for book enthusiasts across the street from Retiro Park.

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

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

This historic fountain is a favorite neighborhood meeting point.

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