Concept cars from the 1960s to the 1990s were often bold, futuristic, and sometimes a bit bizarre.

Many of these designs pushed the boundaries of automotive engineering and aesthetics.

Eye-catching models like the 1967 Lamborghini Marzal with its glass gullwing doors, or the wedge-shaped 1970 Lancia Stratos Zero, embodied the radical thinking of their era.

Forgotten gems like the 1980s Buick Wildcat or the 1990s Ford GT90 showcased innovative technology but never made it to production.

These vehicles remain fascinating relics of automotive experimentation and ambition.