Giant topiary dog once played a role in a terrorist bomb plot.

This 19th-century fountain's namesake animal isn't what you think it is.

A beautiful old horse stable hosts one of the largest collections of domestic animal skeletons and taxidermy.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

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

Three columns of volcanic rock shoot out of the ocean.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

The most powerful waterfall in all of Europe.

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

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

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.

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

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

This grubby wall is said to be one of the Earth's esoteric energy centers.

Real bones which are said to have belonged to a Polish dragon.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

A naturally beautiful, seemingly bottomless deep blue spring.

A more chill but no less fascinating version of the famous ancient archeological site.