Dynamite factory turned museum explores the history of explosives.

Europe's simulation of the Martian surface uses soil from Mount Vesuvius.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

A landmark in the history of technology and computing is hidden in a tiny Baroque chapel.

This Torino museum honors a soldier who kept the city safe using barrels of exploding gunpowder, losing his life in the process.

The only Malaysian food truck in Italy slings tangy chicken satay that even Italians love.

When this funny little building went up in the 19th century, most people thought it would simply fall over.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A fake medieval village in the middle of Turin.

The astonishing collection of an infamous criminologist.

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

This museum is home to one of the biggest collections of printing press technology—plus a river view.

A naturally occurring amphitheater carved by erosion into the mountainside.

This abandoned fortress still stands guard over the Guadiana River despite a history of warfare.

The walls of this small village have been turned into a living street art gallery.

Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

A glacial valley filled with silver beech trees in the mountains of Portugal.

This enigmatic Roman tower lurks just outside Belmonte.

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

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

For more than two centuries, the canopy of this venerable tree has been a haven for songbirds and lovers.

These rock drawings in the Côa Valley also create an ancient optical illusion.