An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

Spain's largest bullring offers a unique glimpse at architecture and history.

A 16th-century Andalusian palace.

The world's largest wooden structure.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This futuristic building is yet another architectural wonder in Dubai.

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

The ruins in this village were caused by something more sinister than neglect.

Where artisans use centuries-old techniques to build traditional Arabian ships.

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

This beautifully restored fortification kept the city safe for centuries.

Traditional architecture and ancient irrigation systems are on display in this gorgeous mountain village.

This bazaar is one of the oldest in the Arabian world.

This spectacular mosque houses the second-largest chandelier in the world.

A museum in England’s Lake District dedicated to the trusty pencil wants you to know the story of their World War II spy pencils.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Tony Blair's garden gnome and a Howitzer shell-turned-flower-pot are on display in this deconsecrated 13th-century church.

A 19th century grave house with a unique message formed by the stone supports to the railing around the walls.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

Visit this odd display of indigenous style in Argentine wine country.

An underexplored, 130-foot tropical waterfall that you will have all to yourself.