Well you don't get anything weirder or better than Andrzej Zulawski's
On the Silver Globe (1977/1988)
Here's a few more from my library. I can't say I've seen all of them and some of those I've seen are dreadful but others are great. But that's the fun of it ... ;-)
Bertrand Tavernier - Death Watch (1980)
Enki Bilal - Tykho Moon (1996)
Ken Russell - Altered States (1980)
Rob Van Eyck - The Afterman (1985)
Jane Arden - Anti-Clock (1980)
Valie Export - Invisible Adversaries (1977)
Piotr Szulkin - Ga-ga: Glory to the Heroes (1986)
Peter Hyams - Capricorn One (1977)
Piotr Szulkin - The War of the Worlds: Next Century (1981)
Piotr Szulkin - Golem (1980))
Roberto Faenza - H2S (1969)
Sutton Roley - Chosen Survivors (1974)
Yves Boisset - The Prize of Peril (1983)
Elegio Herrero - Human Animals (1983)
Anton Leader - Children of the Damned (1964)
Stuart Gordon - Re-Animator (1985)
Konstantin Lopushansky - Dead Man's Letters (2014)
Risto Jarva - A Time of Roses (1969)
David Cronenberg - Rabid (1977)
Steve Barron - Electric Dreams (1987)
Peter Fleischmann - Die Hamburger Krankheit (1979)
Charles Matton - Spermula (1976)
Piotr Szulkin - O-Bi, O-Ba - The End of Civilization (1985)
Norman J. Warren - Inseminoid (1981)
Jeannot Szwarc - Bug (1975)
Don Taylor - The Island of Dr. Moreau (1977)
David Cronenberg - Shivers (1975)
Jan Schmidt - Late August at the Hotel Ozone (1967)
Luc Besson - The Last Battle (1983)
George Lucas - THX 1138 (1971)
Michael Campus - Z.P.G. (1972)
Norman Jewison - Rollerball (1975)