Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Ship-sized kinetic sculptural fantasy.

Three columns of volcanic rock shoot out of the ocean.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

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

An encyclopedic collection of mammal penises.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

This replica Viking village was created for a film that was never shot and is now open to visitors.

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

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

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

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

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

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

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

A giant portrait of an ancient king looms over the river.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

A Serbian church lit by chandeliers made of weapons.

Sealing couples' love since just after World War I.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.