A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

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

Three columns of volcanic rock shoot out of the ocean.

The most powerful waterfall in all of Europe.

This black church sits alone among a field of lava rock.

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.

The oldest church in Iceland is one of the few to feature ornate decoration.

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

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

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

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

A sulfuric martian landscape that looks far better than it smells.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

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

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

A true Valhalla for cactus and succulent lovers.

Rotterdammers' dirty minds gave this Santa a dirty nickname and cursed it to a life of wandering.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

A crumbling island fortress that seems to be covered in a field of stone crosses but is simply incomplete.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Largest lake in Great Britain measured by surface area.