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.

Isambard Kingdom Brunel, one of the great Victorian engineers, was the driving force behind the short-lived atmospheric railway.

A 14th century castle built on the seat of a mighty giant.

Where the Border Reivers of the Johnstone clan used to hide their stolen cattle.

A twisted steel beam from the wreckage of the World Trade Center is the centerpiece of this memorial for those who died on September 11, 2001.

A concrete mushroom that divided Stockholm residents for nearly a century.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

The encased skull that is widely believed to belong to St. John the Baptist.