This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

Enter this small nook and you'll be surrounded by 360 degrees of street art.

This king penguin is a knighted brigadier of the Norwegian Army.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

An American ghost town hides along a side street in Scotland's capital.

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

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

A 18th century graveyard and its astonishing cortege of macabre iconography.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

360° views of the city plus five floors of optical illusions and hands-on science.

World's largest porcine hairball sits in a collection maintained by Benedictine monks.

Home to the only outdoor municipal elevator in the United States.

A heavenly experience, right here on Terra Firma.

Hundreds of handmade critters fill this tiny window gallery in the heart of Portland's Alberta Arts District.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

Delightful disarray of found objects and clutter.

A world of craftwork elegantly curated in a historic brick warehouse.

These machines have been collecting dust for decades.