This mysterious but iconic tapered tower appears in many Azeri fairytales and legends.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

Resonant stone, that has been played since prehistoric times.

A shrine of fire worship built on top of a natural flame.

Mysterious hillside with a continuously burning natural fire.

Tower with a double-helix spiral, adorned with letters of the Georgian alphabet.

Luxury hotel turned into a refugee camp, then turned back into a luxury hotel.

Fast food feels like fine dining at this award-winning modern Georgian building.

You'll find just about anything in this funky Tbilisi flea market.

Unusual building appears to be haphazardly built from randomly piled bricks.

A literally moving statue of stacked metal giants just continually trying (and failing) to find love.

The first skyscraper to include a Ferris wheel built into the facade.

The charmingly disheveled clock tower of Tbilisi's puppet theater.

This bridge was constructed from the rubble of the infamous Bastille.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This emotive sculpture was originally created for the 1878 World's Fair.

The video game-themed street art first popped up in the French city.

An effigy of a trapped paratrooper dangles from a Normandy church to commemorate one remarkable D-Day event.

These unique markers designate the route American forces took during the Liberation of France.

Bloodstains can still be seen in this medieval church where two medics saved lives on D-Day.

This symbol of the French Revolution still stands where it was first planted during the 18th-century.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

His "Lionheart" is entombed separately from the rest of his body.