Take respite inside this jaw-dropping church while climbing the volcano where Georgia's Prometheus was once chained.

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

A small but hugely whimsical theater where marionettes play out the "The Battle of Stalingrad."

With over 10,000 lights, this engineering marvel lights up the city after dark.

Foreign invaders almost left this lovely Caucasus palace alone—almost.

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

The building's fluid, wavelike walls are a true feat of architectural ingenuity.

Mysterious hillside with a continuously burning natural fire.

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

This fantastic cave remained unexplored until 1948 when three schoolboys discovered a hidden entrance.

Known locally as the Jungfrutornet, this Medieval tower hides a dark legend.

Visit the home of Sweden's beloved fictional character, Pippi Longstocking.

This Stockholm art museum integrates many of its pieces into the surrounding outdoor areas and natural landscape.

An entire shopping mall and industrial terrain named for the time the king of Sweden's car went into a ditch.

These airport hangars are now a bustling shopping center with only hints of its past still lingering.

This Swedish astronomical clock was in storage for almost a century before its glorious workings were put on display once more.

This poignant sculpture of a gnarled weapon is a symbol of non-violence.

Swedish skyscraper with a 90° twist.

This chimerical bridge/tunnel appears to dead end right into the sea.

Sweden's southernmost point is located in this charming fishing village.

The world's first ice hotel is still one of the most elaborate and beautiful.

A medieval village, with red wooden cottages around a stone church, stands as a well-preserved example of a settlement type that was once common in northern Sweden.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.