A look at the design and engineering stories behind DC’s Museum of African American History, the Montreal tower and the Equinor building in Oslo

We visit Australia’s One Central Park, The Oslo Opera house and the California Academy of Sciences in San Francisco to reveal their architectural secrets.

We visit London’s Gherkin, Seattles’s Evergreen Point floating bridge and Lyon’s Mysee des Confluences to uncover how and why they were built.

Experts explain how engineers built the world's steepest funicular railway in the Swiss Alps and how construction of Zaha Hadid's residential high-rise in Miami overcame a hurricane.

The innovative designs of the gravity-defying Vancouver House, the subaquatic Under restaurant and the cantilevered Seattle Central Library challenged engineers to think outside the box.

A glass bridge arcing over the Grand Canyon, the weather-resistant Audain Art Museum in Whistler, Canada, and Zaha Hadid's university library in Vienna are explored.

See the architectural secrets behind a Canadian school on stilts, a sports museum that traces Louisiana’s history and an opulent train station in Belgium.

Experts explain the engineering behind the creation of architect Norman Foster's Hearst Tower in NYC, Jewel Changi airport in Singapore, and architect Yann Weymouth's Dali Museum in Florida.

Engineers explain the constructions of architect Santiago Calatrava's university building in Florida, architect Frank Gehry's museum in Spain, and cultural center The Shed in New York City.

Traveling to New York, Denver and Nice, France to visit Little Island, the Denver Museum of Art and La Tête Carrée and revealing how they were built.