It's been forever since I've posted on here. A list of albums I find myself coming back to always, in no order (since around 2005 when I discovered most of these. I've only picked one album per band except in the case of the band Death).
- Leviathan by Mastodon - https://en.wikipedia.org/wiki/Leviathan_(album)
- The Fragile by Nine Inch Nails - https://en.wikipedia.org/wiki/The_Fragile_(Nine_Inch_Nails_album)
- Symbolic, Individual Thought Patterns by Death - https://en.wikipedia.org/wiki/Symbolic_(Death_album) , https://en.wikipedia.org/wiki/Individual_Thought_Patterns
- Unquestionable Presence by Atheist - https://en.wikipedia.org/wiki/Unquestionable_Presence
- Crimson by Edge of Sanity - https://en.wikipedia.org/wiki/Crimson_(Edge_of_Sanity_album)
- I by Meshuggah - https://en.wikipedia.org/wiki/I_(Meshuggah_EP)
- Ænima by Tool - https://en.wikipedia.org/wiki/%C3%86nima
- The Process of Self Development by Candiria - https://en.wikipedia.org/wiki/The_Process_of_Self-Development
- Welcome to the Sky Valley by Kyuss - https://en.wikipedia.org/wiki/Welcome_to_Sky_Valley
- The Remedy Lane by Pain of Salvation - https://en.wikipedia.org/wiki/Remedy_Lane
- Before These Crowded Street by Dave Matthews Band - https://en.wikipedia.org/wiki/Before_These_Crowded_Streets
- Deliverance by Opeth - https://en.wikipedia.org/wiki/Deliverance_(Opeth_album)
- Viva Emptiness by Katatonia - https://en.wikipedia.org/wiki/Viva_Emptiness
- Sea Change by Beck - https://en.wikipedia.org/wiki/Sea_Change_(album)
- Four by Blues Traveler - https://en.wikipedia.org/wiki/Four_(Blues_Traveler_album)
- Conqueror by Jesu - https://en.wikipedia.org/wiki/Conqueror_(Jesu_album)
- Lightbulb Sun by Porcupine Tree - https://en.wikipedia.org/wiki/Lightbulb_Sun
- Rift by Phish - https://en.wikipedia.org/wiki/Rift_(album)
- Cowboys from Hell by Pantera - https://en.wikipedia.org/wiki/Cowboys_from_Hell
- Terria by Devin Townsend - https://en.wikipedia.org/wiki/Terria_(Devin_Townsend_album)
- Synergy by Extol - https://en.wikipedia.org/wiki/Synergy_(Extol_album)
- Rust In Peace by Megadeth - https://en.wikipedia.org/wiki/Rust_in_Peace
- Sol Niger Within by Fredrik Thordendal's Special Defects - https://en.wikipedia.org/wiki/Sol_Niger_Within
- Fight Club Movie Score by The Dust Brothers
- White Pony by Deftones - https://en.wikipedia.org/wiki/White_Pony
- Ten by Pearl Jam - https://en.wikipedia.org/wiki/Ten_(Pearl_Jam_album)
- Core by Stone Temple Pilots - https://en.wikipedia.org/wiki/Core_(Stone_Temple_Pilots_album)
- Alice In Chains Unplugged - https://en.wikipedia.org/wiki/Unplugged_(Alice_in_Chains_album)
- Nevermind by Nirvana - https://en.wikipedia.org/wiki/Nevermind
- Down On The Upside by Soundgarden - https://en.wikipedia.org/wiki/Down_on_the_Upside
- Santana by Santana - https://en.wikipedia.org/wiki/Santana_(1969_album)
- Animals by Pink Floyd - https://en.wikipedia.org/wiki/Animals_(Pink_Floyd_album)
- Creedence - https://en.wikipedia.org/wiki/Chronicle,_Vol._1, https://en.wikipedia.org/wiki/Chronicle,_Vol._2
- Experience Hendrix - https://en.wikipedia.org/wiki/Experience_Hendrix:_The_Best_of_Jimi_Hendrix
- Outlandos d'Amour by The Police - https://en.wikipedia.org/wiki/Outlandos_d%27Amour
- Kid A by Radiohead - https://en.wikipedia.org/wiki/Kid_A
- The Thirteenth Step by A Perfect Circle - https://en.wikipedia.org/wiki/Thirteenth_Step
- Bug by Dinosaur Jr. - https://en.wikipedia.org/wiki/Bug_(Dinosaur_Jr._album)
- Sailing the seas of Cheese by Primus - https://en.wikipedia.org/wiki/Sailing_the_Seas_of_Cheese
- Metropolis Pt. 2: Scenes from a Memory by Dream Theater - https://en.wikipedia.org/wiki/Metropolis_Pt._2:_Scenes_from_a_Memory
- Fashion Nugget by Cake - https://en.wikipedia.org/wiki/Fashion_Nugget
- In the Court of the Crimson King by King Crimson - https://en.wikipedia.org/wiki/In_the_Court_of_the_Crimson_King
- Houses of the Holy by Led Zeppelin - https://en.wikipedia.org/wiki/Houses_of_the_Holy
- One Hot Minute by Red Hot Chili Peppers - https://en.wikipedia.org/wiki/One_Hot_Minute
- Elvenefris by Lykathea Aflame - https://it.wikipedia.org/wiki/Lykathea_Aflame
- Nespithe by Demilich - https://en.wikipedia.org/wiki/Nespithe
- A Show of Hands by Victor Wooten - https://en.wikipedia.org/wiki/A_Show_of_Hands_(Victor_Wooten_album)
- Extraction by Victor Wooten-Greg Howe-Dennis Chambers - https://en.wikipedia.org/wiki/Extraction_(Greg_Howe_album)
- Reign In Blood by Slayer - https://en.wikipedia.org/wiki/Reign_in_Blood
- Extreme Aggression by Kreator - https://en.wikipedia.org/wiki/Extreme_Aggression
- Abandoned Language by dälek - https://en.wikipedia.org/wiki/Abandoned_Language
- Tumuli Shroomaroom by Acrimony - https://en.wikipedia.org/wiki/Tumuli_Shroomaroom
- Entroducing by DJ Shadow - https://en.wikipedia.org/wiki/Endtroducing.....
- Close To The Edge by Yes - https://en.wikipedia.org/wiki/Close_to_the_Edge_(Yes_album)
- A Vision Of Misery by Sadus - https://en.wikipedia.org/wiki/A_Vision_of_Misery
- Prowler in the Yard by Pig Destroyer - https://en.wikipedia.org/wiki/Prowler_in_the_Yard
- Rage Against the Machine by Rage Against the Machine - https://en.wikipedia.org/wiki/Rage_Against_the_Machine_(album)
- DJ Krush - https://en.wikipedia.org/wiki/DJ_Krush
- Petitioning the Empty Sky by Converge - https://en.wikipedia.org/wiki/Petitioning_the_Empty_Sky
- Bill Laswell - https://en.wikipedia.org/wiki/Bill_Laswell
- Wonderful Rainbow by Lightning Bolt - https://en.wikipedia.org/wiki/Wonderful_Rainbow
- Hold Your Horse Is by Hella - https://en.wikipedia.org/wiki/Hold_Your_Horse_Is
- Don Caballero 2 by Don Caballero - https://en.wikipedia.org/wiki/Don_Caballero_2
- Moving Pictures by Rush - https://en.wikipedia.org/wiki/Moving_Pictures_(Rush_album)
- Under The Running Board/Irony Is a Dead Scene by The Dillinger Escape Plan - https://en.wikipedia.org/wiki/The_Dillinger_Escape_Plan
- The Director's Cut by Fantômas - https://en.wikipedia.org/wiki/The_Director%27s_Cut
- Rhythms from a Cosmic Sky by Earthless - https://en.wikipedia.org/wiki/Earthless#Discography
- Peace, Love, Death Metal by The Eagles of Death Metal - https://en.wikipedia.org/wiki/Peace,_Love,_Death_Metal
- Testimony of the Ancients by Pestilence - https://en.wikipedia.org/wiki/Testimony_of_the_Ancients
- Grand Opening and Closing by Sleepytime Gorilla Museum - https://en.wikipedia.org/wiki/Sleepytime_Gorilla_Museum
- The Complex by The Blue Man Group - https://en.wikipedia.org/wiki/The_Complex_(album)
- Probot - https://en.wikipedia.org/wiki/Probot
- The Dropper by Medeski, Martin & Wood - https://en.wikipedia.org/wiki/The_Dropper
- Drawing Circles by Textures - https://en.wikipedia.org/wiki/Drawing_Circles
- Birds Of Fire by Mahavishnu Orchestra - https://en.wikipedia.org/wiki/Birds_of_Fire
- Gordian Knot by Gordian Knot - https://en.wikipedia.org/wiki/Gordian_Knot_(album)
- Operation Mindcrime by Queensrÿche - https://en.wikipedia.org/wiki/Operation:_Mindcrime
- Melissa by Merciful Fate - https://en.wikipedia.org/wiki/Melissa_(Mercyful_Fate_album)
- Outbound by Béla Fleck and the Flecktones - https://en.wikipedia.org/wiki/Outbound_(B%C3%A9la_Fleck_and_the_Flecktones_album)
- All by Color Haze - https://en.wikipedia.org/wiki/Colour_Haze
- π by Clint Mansell - https://en.wikipedia.org/wiki/Pi_(film)#Soundtrack
Some more recent discoveries (since around 2010), which have been up for regular repeat listenings:
- Meantime by Helmet - https://en.wikipedia.org/wiki/Meantime_(album)
- Wolverine Blues by Entombed - https://en.wikipedia.org/wiki/Wolverine_Blues
- Souvlaki by Slowdive https://en.wikipedia.org/wiki/Souvlaki_(album)
- Isn't Anything by My Bloody Valentine - https://en.wikipedia.org/wiki/Isn%27t_Anything
- Music Has the Right to Children by Boards of Canada - https://en.wikipedia.org/wiki/Music_Has_the_Right_to_Children
- Twisted by Hallucinogen - https://en.wikipedia.org/wiki/Twisted_(Hallucinogen_album)
- The Gathering by Infected Mushroom - https://en.wikipedia.org/wiki/The_Gathering_(Infected_Mushroom_album)
- Nujabes - https://en.wikipedia.org/wiki/Nujabes
- Steely Dan - https://en.wikipedia.org/wiki/Steely_Dan
- Aphex Twin - https://en.wikipedia.org/wiki/Aphex_Twin
- Peaceblaster by STS9 - https://en.wikipedia.org/wiki/Sound_Tribe_Sector_9#Discography
- Art Metal by Jonas Hellborg Band - https://en.wikipedia.org/wiki/Art_Metal_(band)
- Freak Kitchen - https://en.wikipedia.org/wiki/Freak_Kitchen
- Mats/Morgan Band - https://en.wikipedia.org/wiki/Mats/Morgan_Band
- Band on the Run by Paul McCartney and Wings - https://en.wikipedia.org/wiki/Paul_McCartney_and_Wings
- Pet Sounds by The Beach Boys - https://en.wikipedia.org/wiki/Pet_Sounds
- The Cold Vein by Cannibal Ox - https://en.wikipedia.org/wiki/The_Cold_Vein
- Random Access Memories by Daft Punk - https://en.wikipedia.org/wiki/Random_Access_Memories