The highest peak in mainland Spain is said to be the final resting place of a Muslim king.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

A 16th-century Andalusian palace.

Its appearance in "Game of Thrones" may spur on the long-awaited restoration of this medieval shipyard.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

This charming candle shop has been in business since 1789.

In the Monastery of São Vicente resides a gallery devoted to a breathtaking collection of seashells.

A garden in Lisbon filled with giant porcelain creatures.

Get in line for Lisbon’s most famous sandwich.

The world's oldest bookshop still in operation.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

An explosion of natural color known as "the river that ran away from paradise."

The world's largest wooden structure.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

An architect transformed this abandoned cement factory into his castle-like workshop.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

This mansion oasis contains gardens, sculptures, and fountains just off the busy Plaça Kennedy in Sant Gervasi.

A once grand hotel now sits eerily abandoned in the Catalan countryside outside Barcelona.

This semi-secret storybook hedge maze is also the oldest garden in the city.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

Gaze upon chocolate sculptures depicting everything from chariot races to Gaudí's famous church at this shrine to sweets.

A cemetery in Barcelona's Poblenou district is home to this touching funerary statue, which depicts death in the form of a winged skeleton.

Built on the foundations of an ancient Roman villa, the unique architecture of this castle on the Catalan coast was used as a set for 'Game of Thrones.'