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

The final resting place of the great navigator, or maybe his brother.

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

Hidden behind a wall, Spanish nuns distribute their signature sweets on a revolving tray.

A 16th-century Andalusian palace.

An eerie collection of the surviving structures from a past celebration of the future.

Single runway interrupted by a busy road that cuts across its middle.

There was a top secret plan during World War II to seal a group of soldiers inside the rock.

Also known as "Robin Hood's tree," this tree became a famed location along Hadrian's Wall before it was cut down in an act of vandalism.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Feed it cash, get your very own gold bar.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

This indoor ski resort has a mountain contained inside a mall.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

The large collection of pre-Columbian pottery might make you blush.

This stone complex marks the urban center of a lost civilization.

A bright little alley in La Boca is a part of tango history.

The design of the Palacio Salvo has been described as "a lighthouse on top of a building."

Pablo Neruda's custom-built lover's nest was made to remind him of the sea and named after his mistress' hair.

The ruins of a pre-Columbian fortress city so secure it held off the Spanish conquistadors for over 20 years.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

What was once a unique system of urban elevators is turning into a mechanical ruin.

Pivotal home of Nobel Prize winner Pablo Neruda.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.