The only quarter of the Old City not dedicated to a major world religion.

The wreck of a World War II cargo ship has become an unintentional time capsule at the bottom of the Red Sea.

Ozymandias’ time-keeping temple.

Go inside to really appreciate this 500-year-old technological masterpiece.

A subterranean house of worship carved right out of the bedrock.

A stunning architectural yet functional feat, towering over Oslo.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The final resting place of the great navigator, or maybe his brother.

This former charity hospital for elderly clergy houses some of Seville’s most treasured paintings.

The world's largest wooden structure.

An Elvis superfan built Denmark's own version of Graceland.

A Danish fisherman spent 25 years covering nearly every inch of his home with tens of thousands of shells as a gift to his wife.

This antique farmhouse is one of Læsø's rare seaweed houses.

An old limestone mine transformed into a beautiful and unusual sculpture museum.

A small Denmark town displays a pair of titanic jaw bones as their community symbol.

Once a meeting point for great thinkers, and the midpoint of the country.

Its collection includes a broad array of social, geographic, graphic design, and political history.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Housing the famous Norwegian ice-defying 19th century polar exploration ship.