Pink Floyd's mind-blowing debut album, The Piper at the Gates of Dawn, was a breakthrough psychedelic album that spawned a new genre: space rock.

The Time Has Come is a timeless rock and soul classic that features the 11-minute psychedelic opus "Time Has Come Today".

The debut album by New Riders of the Purple Sage is a melange of country, bluegrass, southern rock, and psychedelia that featured none other than Jerry Garcia on guitar.

Joy of a Toy, the debut album by the former Soft Machine member Kevin Ayers, is a wonderful slice of British psychedelic pop.

Before the epic In-a-Gadda-Da-Vida, Iron Butterfly released a stellar prelude to heavy metal simply called Heavy.

The Byrds' Younger Than Yesterday was a transitional record for the band but also remains one of their very best.

Phish's ambitious 1988 debut album Junta was originally released on cassette only and remains the band's most psychedelic effort.

Ogden's Nut Gone Flake is a classic slice of 60s psychedelic rock, but its appeal has always been much greater in the UK than the US.

After their TV show was canceled in 1968, The Monkees released a head-scratching film called Head and an accompanying psychedelic album of the same name.