Switzerland's oldest public observatory is an important part of the Zurich cityscape.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

A melancholy jester sits on the grave of a famous 20th-century ballet dancer and choreographer.

The celebrated eyesore created by starry-eyed sweethearts.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

The first green space constructed on an elevated viaduct.

Singapore's oldest Hindu temple.

Paris' linguistic guide to the international language of, yes, love.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Watch butterflies take flight before you fly.

The spot where the two men ate together now stands enclosed in glass.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

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

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

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

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

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

Vietnam's largest Buddha statue depicts a female sage.

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

Giant pagoda houses the car that drove Thích Quảng Đức to his death by self-immolation.

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

Don’t miss the local staple of rice vermicelli with charcoal-grilled pork patties and pork belly.