An ancient Egyptian temple in the middle of Madrid, Spain.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

The deepest metro station in the world.

An Art Nouveau building covered in animal gargoyles and grotesques.

340-foot statue built to honour the Heroes of the Soviet Union.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This unassuming museum's slogan translates to “there is a limit of sadness, anxiety has no limits."

A quirky collection flush with information on commode culture from ancient times to modern day.

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

One of the largest underground systems runs under Canada's largest urban center.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

The best place for scenic views of the DMZ and North Korea.

A thriving artist's wonderland located just 6 kilometers from Korea's DMZ.

Secret North Korean passage discovered below the world's most dangerous border.

Home to more than 13,000 pieces of war memorabilia and military equipment.