This unreal Portuguese palace looks as though it's made from a pile of different castles.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

The world's northernmost aquarium looks like it has fallen over.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Three columns of volcanic rock shoot out of the ocean.

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.

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

Walk in the footsteps of the gods and straddle two tectonic plates.

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.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

This mountain trail inspired Nietzsche to complete his magnum opus.

This quirky collection of furniture also happens to be a public art installation.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

See no evil, hear no evil, speak no evil.