Two very green residential towers cleaning the air in one of Europe's most polluted cities.

Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

The secret medieval communication system will whisk your words above the noise of the crowd.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This behemoth bovine guards an Estonian town and is a memorial to the lost species.

It's rumored this unique Baltic beacon was designed by Gustave Eiffel himself.

Its collection offers a glimpse into the Russian Old Believers' centuries-old way of life.

For the last century, this international border within a small town has appeared and disappeared various times.

A wooden replica of France's famous tower.

Hundreds of unusual wheel crosses poke above the earth in this small Estonian cemetery.

This soviet pilot's graveyard is filled with headstones made of airplane fins.

The Guardian of Tallinn.

Abandoned Soviet base once stocked with short and medium range missiles pointed at western Europe.

This abandoned fighter jet launch center is now a haunting street racing course.

The oldest church in the Estonian capital is home to over 100 fantastical cemetery coats-of-arms.

Only a fragment of this 15th-century Dance of Death survives today.

Rusted cars, trucks, and buses form a fascinating collection of Soviet-era machinery.

A decommissioned submarine base makes a great space for graffiti art.

Spend your honeymoon where the Devil had his wedding.

This unassuming oasis elevated just above the busy streets of Jerusalem offers one of the best views of the Old City.

The only quarter of the Old City not dedicated to a major world religion.

After over 100 years out of service this landmark windmill once again turns as a symbol of Jerusalem's self-sufficiency.

Oldest Protestant church in the Middle East, designed to resemble a synagogue.