Study the Alien etchings in this fountain while you refill your water bottle.

The second-highest train station in Europe.

This work of engineering is imbued with elegance and ingeniousness.

This massive boulder was hurled into a Zurich church when a gunpowder depot was struck by lightning in 1652.

Unconventional site where the tracks of Zurich tramcars intersect.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

The video game-themed street art first popped up in the French city.

Largest lake in Great Britain measured by surface area.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A colossal floating restaurant built to look like a ancient Chinese imperial palace.

Home to the world's largest collection of ancient Champa's sculptural works, featuring many Hindu and Buddhist deities.

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

This French colonial post office is arguably the grandest in all of Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

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

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.

Khmer Rouge's high security prison.

More than 100 Hindu temples are slowly being swallowed by the forest.

A battle between nature and architecture in the Cambodian jungle.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

Life-sized painted illusions let pedestrians blend in with the street art.

Under Hanoi’s medieval citadel sits a secret military headquarters from the final years of the Vietnam War.

A gift from the Soviet Union in the 1980s, this is the only statue of the Soviet dictator in Southeast Asia.

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