A 16th-century Andalusian palace.

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

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.

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

The world's largest wooden structure.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

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

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

The oldest continuously operating pharmacy in Europe.

Spend your honeymoon where the Devil had his wedding.

A spectacular Petrine Baroque summer palace commissioned for Catherine I by Peter the Great.

Estonia's largest creative city is a vibrant bohemian hub located within a former industrial complex.

A secluded art gallery hidden within the cellars beneath Tallinn’s medieval monastery.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

This charming Latvian lane doubled as Baker Street on the Soviet Union’s version of Sherlock Holmes.

3,000 market stands in five former Zeppelin hangars.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

This celebration of Latvia’s freedom and independence avoided demolition over half a century of Soviet occupation.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Ruins of a German castle on top of a towering stone pillar.

Art and a pun, all in one.

The reconstruction of this prominent building fulfilled a long-written command.

The oldest housing complex in Riga is a mini timeline of architectural trends.