Park and playground dedicated to one of the most well-known Portuguese-language cartoons

This enigmatic Roman tower lurks just outside Belmonte.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

This historic cemetery is home to the largest private mausoleum in Europe.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Houses are tucked between, on, and underneath giant boulders.

A medieval village holds a very modern hotel.

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

A unique Baroque bridge preserved in Madrid's largest public park.

This Art Nouveau gate still stands at the former entrance of a 20th-century Spanish writer's colony.

Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

Many miles south of Loch Ness, a similarly-named sea monster stands at the center of a roundabout.

An open-air sculpture museum in a park in Alcorcón.

A historic castle that served as a backdrop to part of an elaborate extraterrestrial hoax.

A model solar system adds a celestial touch to this suburban park.

A beautiful little castle with a rich history now home to the Archives of the Spanish Air Force.

This small cemetery and its chapel are located in the middle of a traffic circle.

This larger-than-life lime green gummy bear sits in the middle of a roundabout in Spain.

A curious memento mori hangs in the magnificent Cathedral of Segovia.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

A controversial art piece that harkens back to local folklore.

This Castilian castle has stood the test of time like few others.