A battle between nature and architecture in the Cambodian jungle.

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

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

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

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

Devoted Buddhists can earn enlightenment in the next life by crawling through this symbolic nostril.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

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

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

The key to turning shifting dunes into the green oasis of Golden Gate Park.

Golden Gate Park's historic collection of plants.

A monument to the love people have for their pets.

San Francisco's newly reopened hands-on science museum.

There is no trying to fall in love with this Star Wars fountain, you just do or do not.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

This one-block alleyway is stuffed with street art that is colorful, cultural, and intensely political.

This island hill is strewn with boulders carved by shipwreck victims from the age of sail.

This Parisian gem is one of the most incredible ethnographic museums in the world.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

A winding path built in secret on the edge of the continent.

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