Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

This historic spot was where America's involvement in the Vietnam War officially came to an end.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

Twice a day a speeding train passes only inches from the homes of this residential neighborhood.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Monument to a brutal, ineffectual US bombing campaign and a sobering reminder of the human cost of the Vietnam War.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

Stockholm's narrowest alley is barely over two feet wide.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

The deepest metro station in the world.

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

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

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

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

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."

Sculpture that doubles as a time capsule so that life can survive radiation outside Chernobyl.

This derelict superstructure was a very important warning system for the Soviet military.

The ghost town left by the worst nuclear disaster of all time is being taken over by nature and urban explorers.

This attraction was abandoned after the Chernobyl disaster.

Annual celebration commemorating the 1965 sighting of strange lights in the town.