How did they build the ISS? (International Space Station)

What happened to the USS Arizona? (Pearl Harbor)

How does a Speed Cube work? (Fast Rubik's Cube)

What's inside the Sydney Opera House?

How does an Elevator work?

How does the Crew Dragon Spacecraft work? (SpaceX)

What's inside the Titanic?

How does a VCR work?

How does a Mars Rover work? (Perseverance)

What's inside Big Ben? (Elizabeth Tower)

How does a Military Helicopter work? (Pave Hawk)

How did the Enigma Machine work?

How does the Soyuz Launch work? (and Reentry)

How does the Soyuz Spacecraft work?

What's inside the Statue of Liberty?