Largest private bird collection in Iceland, formed from a tragic accident.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

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

The oldest bookstore in Iceland.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

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

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

Climb right into the heart of this colorful Iceland volcano.

A winding, blood-red tunnel of hardened lava navigable by foot.

The summer tourists on these cliffs are thousands of seabirds.

The only Florida state park with publicly accessible caves.

This restaurant was removed from the famed sister ship of the Titanic and placed within a hotel.

On the outskirts of Edinburgh, a trio of topiary created by one man over the course of more than 20 years.

The building where Mary, Queen of Scots was said to have bathed in white wine.

The final resting place of soldiers' loyal canine companions.

A library where thousands of books explain how to avoid another Great Recession.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.