One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A crumbling wizard is one of the final reminders of a roadside Middle Earth.

An optical illusion found amid a logged redwood forest.

This massive redwood tree has a hole in the base big enough to drive through.

A grove of "candelabra redwoods" deep in California's Lost Coast.

A raised boardwalk winds through a thicket of stunted, century-old trees no more than nine feet tall.

The enigmatic sculpture hides above an escalator in a Milan metro station.

In the 1940s, Italian architect Mario Cavallè built a dozen of these round homes in northern Milan.

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

A larger-than-life house of cards stands outside the house of a former fashion designer.

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

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

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

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

One of the world’s smallest bars, just 13 square feet, is brimming with speakeasy flair.

This curious building hides eclectic details like medieval gargoyles alongside naked angels and Art Nouveau mosaics.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

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

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

This poignant art installation raises awareness of violence against women.

A brutalist gem towering over the heart of Milan.

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

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

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