Its interior is adorned with some of the best examples of early Christian mosaics.

A sculpture serving as an homage to Pope John Paul II.

These spartan apartments are provided to clergymen visiting Vatican City.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

The largest collection of handbags in the world, the oldest of which were used to carry Bibles, primarily by men.

A set of parking garage escalators doubling as a historical overview of Rotterdam.

Above the heads of passersby stands a small statue commemorating soldiers from the Boer War.

Unknown to many, this is where items not displayed in a Dutch history of science museum are held.

Science meets wall art to highlight the beauty of famous mathematical equations.

A unique work of automotive art calls this shopping center home.

A late-medieval Dutch castle with trick fountains in its whimsical water gardens.

A gigantic teapot sitting on top of a parking garage in the center of Utrecht.

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This large, circular tomb is the final resting place of the first emperor of Rome.

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

Visitors can sit and study the board with this Estonian chess legend and International Grandmaster.

Explore 150 years of Estonian rail history in a terminal once built for Tsar Nicholas II.

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

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

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

This interactive sculpture allows visitors to leave a message in case a friend passes by.

This gruesome biblical parade celebrates the one day a year that a bit of Jesus' blood turns to liquid.

This basement museum explores the art and artistry of fascism.

An Amsterdam School landmark combining a museum and social housing.