The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

The Devil’s own choice when he needs a drink in Brussels.

This splendid tomb may look fantastic, but there's nothing in it...

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

A display of torture devices used in the Spanish Inquisition and other scourges of medieval Europe.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

This chapel is the site of a yearly pilgrimage that originated during the Middle Ages.

This recently restored crypt was once plagued by liquefying coffins and exploding caskets.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

The ruins of a 16th-century bridge loom over Olivença's sovereignty.

These 400-year-old ruins are all that's left of the monastery where Ines de Castro was assassinated by the King of Portugal.

This tower once served as a radar station during the Cold War.

An icon of the city, this chapel features an amazing dome ceiling and offers panoramic views.

A small sanctuary carved into the mountainside near the tallest point in continental Portugal.

One of few vertical lava tubes in the world accessible by foot.

These narrow stone granaries have been used to store and dry out grain for hundreds of years.

This enigmatic Roman tower lurks just outside Belmonte.

Panoramic views from the mountains over a facility built to provide tuberculosis patients with fresh mountain air.

The "Little Ones," show Portugal in full miniature splendor.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

Nestled in the mountains of Portugal is a tiny village made almost entirely of schist.

A fortress off the West coast of Portugal that dates back to 1502.

After the owner of this Art Nouveau home died, it was turned into a museum displaying a lifetime dedicated to art.

The medieval town's star-shaped walls are geometrically dazzling, though not entirely impenetrable.