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

The world's largest wooden structure.

The gardens and chambers of this Moorish citadel conjure memories of the Alhambra.

This Moorish fortress has guarded Málaga from the slopes of Gibralfaro hill for nearly a thousand years.

A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

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

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

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

A museum dedicated to secret surveillance.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

A memorial to the atrocities of the People's Socialist Republic of Albania.

Explore a traditional Albanian dwelling that pays tribute to the region's rich history.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

The mausoleum of a national hero of Albania is placed in a former church and mosque

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

The site where the leader of the Kosovo Liberation Army was killed is now a memorial.

The largest madrasa in Morocco once housed more than 900 students within its exquisite walls.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

This vast masterpiece of Moroccan architecture spreads across 20 acres.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

A recreation of the bar from the classic 1942 movie “Casablanca.”