This earthwork installation sits on a grassy hill, celebrating Iceland's past and present.

The colorful stairs are made with marble from the world's major quarries.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Remnants of the 16th-century defensive wall still stand unassumingly within Edinburgh.

This historic pub has maintained much of its 1906 decor, including a small sequestered room for women, where orders were slipped through a tiny window.

A free public golf course hides in plain sight in the heart of Scotland’s capital.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

This pub has roots dating back to 1430 and serves as the setting for multiple Charles Dickens stories.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

This modest site memorializes a World War II mission described without hyperbole as “the greatest raid of all.”

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

A space dedicated to contemporary art and culture, co-chaired by fashion icon Miuccia Prada.

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

Invented in the mid-19th century, this machine could send copied images via telegraph lines.

This Volcano-like rest area was designed by architect Giulio Ceppi built according to energy efficiency and ecological footprint standards.

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

A brutalist gem towering over the heart of Milan.

Saint Borromeo often prayed in this austere crypt during the 16th century.

A Milanese café entirely designed by the American director Wes Anderson.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

A scenic UNESCO site that doubles as a habitat for various forms of wildlife.

A historic, reportedly haunted pub that provided inspiration for several famous adventure novels.

Overlooking the spot where the Pilgrims boarded the Mayflower stands Devon's answer to the Colossus of Rhodes.