Ancient cliffs resembling a kilt on Scotland’s second-largest island emit an entrancing sound.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Luxembourg's most popular statue since 1923 has been missing for... 26 years!

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

3,000 market stands in five former Zeppelin hangars.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

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

A subterranean house of worship carved right out of the bedrock.

Recently revamped museum of Fijian history located within a gorgeous colonial-era garden.

The widest natural waterfall in Estonia is a sight to see in all seasons.

Walk along the medieval fortifications that have been protecting Tallinn since the 14th century.

The Guardian of Tallinn.

Where the lovelorn find a home for their sentimental keepsakes.

The most famous location in China was home to whole dynasties worth of imperial rulers.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Nestled in the jungles of Vanuatu are the remains of what was once a cannibal oven.

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

Iceland's tribute to its thankless civil servants.