WATCH: Top 10 of the most outlandish aircraft that you won't believe actually flew

These bizarre aircraft offered a glimpse into an unbelievable future for aviation, even if some could barely make it off the ground.

From strange aircraft with an incredibly impractical vertical takeoff to a terror-inducing bicycle-helicopter hybrid.

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It's hard to believe people thought some of these were good enough ideas to make into working, full-sized prototypes but alas - here we are years later, thankful that we travel in a time where aviation is a less curios and harrowing experience. 

Check out the video above for a roundup of these outlandish aircraft.  

WATCH: 8 of the largest flying machines in the world

You can see more of each plane below:

Lockheed XFV Salmon

Vought V-173

Hiller X-18

Caproni Ca.60

Snecma C-450 Coleoptere

Blohm & Voss BV 141

Avro Canada VZ-9 Avrocar

Aero Spacelines Super Guppy

Lunar Landing Research Vehicle

HZ-1 Aerocycle

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