Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Home to three historic ships from the age of Vikings.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Elaborate tile work in this railway station tells the story of Portugal.

Ozymandias’ time-keeping temple.

This unassuming tree stump reportedly traces its roots to the famous pharaoh queen's reign.

This blowhole is supposedly caused by a trapped monster.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.

Preserved Inca city and site of the last Inca stronghold against the Spanish conquistadors.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

The mortal remains of an estimated 70,000 people lie in the basement of a monastery in Lima, Peru.

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

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

Controversial tribute to the heavyweight champion boxer who grew up in Detroit.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

A former major munitions plant that has been converted into a sprawling art space.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

A Mayan village preserved for centuries in volcanic ash.

A crumbling cathedral condemned by an earthquake.

The house that birthed The Old Man and The Sea is now a museum devoted to the old man who wrote it.

Pluto is still considered a planet in Ithaca, New York.