Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

A whimsical bridge adorned with decorative dragons.

A monument on the pavement marks the spot where two cultures that shaped Sarajevo come together.

Oriental bazaar in the heart of Sarajevo.

A war-torn Olympic relic is being overtaken by graffiti and nature.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

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

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

This impressive chasm is one of the longest natural underground cavities in the world.

These ramparts, once lined with towers, were constructed in defense of Beaune.

This "social palace" housing complex created a relatively stable and self-contained worker's society... for a time.

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

This church sits upon a peaceful hill and a long, turbulent history.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

Beneath the city of Lourdes, France is a massive, concrete church.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

For over 300 years this little carving has been the city’s good luck charm.

A daring D-Day assault by U.S. Army Rangers is commemorated atop the high cliffs of this strategic point.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

If they push on just the right spot, even the weakest person can move this titanic boulder.

The post-apocalyptic remnants of a bucolic town ruined by a plane crash.

Hundreds of prehistoric stones, arranged in perfect lines in a French field.