Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Touching this little fossil embedded in the wall of a grand mosque-cathedral may make your wishes come true.

This medieval synagogue survived the Inquisition as a hospital and church.

A centuries-old house, once part of the wall of Granada, sports musket barrels from the battlements which allude to its original owner.

This 16th-century building features a flamenco stage on its ground floor and a torture museum on its upper floors.

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

This peaceful park saw the beginning of an extraterrestrial invasion in H.G. Wells's 'The War of the Worlds.'

An enormous alien invades Woking, England, as an homage to the H.G. Wells classic 'The War of the Worlds.'

This mysterious chalk figure of a horse has been recreated and restored for more than a century.

This church is home to a 1,600-year-old tree, but also a mysterious carved figure who may have been a pagan idol.

This tiny church is one of England's smallest.

This giant geoglyph of mysterious origins is now the site of neo-pagan rituals.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

Regency-era excess on the English Coast.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

England's most notorious suicide spot.

A seaside town with no sea in sight.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

Perhaps the most spectacular grotto along the Algarve coastline.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Originally planted by the ancient Carthaginians, this sprawling palm grove is one of the largest in the world.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

Down this yellow brick road, visitors are treated to toadstool houses and massive mushroom sculptures.

This interactive museum highlights the history and philosophy of one of the world's most difficult sailing races.