This single-track road rewards brave drivers with stunning Scottish scenery.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The most powerful waterfall in all of Europe.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

Built to ward off Napoleon's army, this city-sized abandoned Russian fort is now perfect for urban exploration.

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

The widest waterfall in Europe is a natural wonder and one of the only places where fish are caught in the air.

Mysterious heaps of stones dot these otherworldly woods.

These crumbling Latvian forts make for some haunting seaside ruins.

A black cat protests the City Guild in Riga's Old Town.

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

3,000 market stands in five former Zeppelin hangars.

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

Shrapnel scars and bullet holes from the Spanish Civil War can still be seen in this monument to Spanish doctor Federico Rubio.

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

The remains of a convent turned military barrack in the heart of Madrid.

The facade of this 16th-century building is decorated with carvings of 300 seashells.

The gaunt visage of this angular Christ giant is enough to put the fear of God into all who see it.

Inaugurated three times, this tower offers some of the best views of Madrid.

One of the best examples of the modernist movement in Madrid.