This one-time health resort was used by aristocrats around the world.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

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

This stunning concert hall has become a symbol of Iceland's national recovery.

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

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

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

Medicinal spa created with the discharge from a geothermal energy plant.

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Travelers who fall victim to this mermaid's charms are destined to stay in Užupis forever.

3,000 market stands in five former Zeppelin hangars.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Space-age monument to an early 20th-century uprising.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

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

An Art Nouveau building covered in animal gargoyles and grotesques.

This Ukraine alleyway has become its own little island of forgotten things.

340-foot statue built to honour the Heroes of the Soviet Union.