Three columns of volcanic rock shoot out of the ocean.

This fairytale-like structure is the last turf church ever constructed in Iceland.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

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

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

This elegant arc of a waterfall marks a religious turning point.

The most powerful waterfall in all of Europe.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

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

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Rising from the sea like a stone monster.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

People have been making salt here using traditional methods for centuries.

Swiss vineyards in a UNESCO heritage site.

A medieval church with largest and oldest collection of Renaissance frescoes in France.

A 14th century bridge built as a fortress, where the devil lurks on one of its towers.

This impressive chasm is one of the longest natural underground cavities in the world.

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

At 8,000 feet, the world's highest tea estate draws visitors for both its products and its panoramic views.

An ornate private entrance to the Vienna subway built specifically for the emperor.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.