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34497a3fe0ef52949a1ba8e99894ed69 This article belongs to the Classic Continuity

Welcome to Los Soledad - abandoned top secret research lab and gateway to nowhere.

Kevin to Ra'ad.[1]

Los Soledad, making its first appearance in Paradox, is an abandoned town located in the desert outside of Bellwood.


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Los Soledad was originally a military base back in the 1950s.[2][3] It was built on that site for the large subterranean deposits of crystal quartz, for the convenience of a military time-travel experiment, codenamed "Project Paradox". This experiment's head scientist theorized, after discovering unique properties in crystal quartz, that it could act as an access way to past and future events.

Alien Force[]

PX (194)

The Library

After the apparent failure of the experiment, the base was abandoned, its thick stone walls restricting access to the ghost town within. In present times, young hooligans, (such as Kevin) came to the town outskirts in order to drag race and graffiti the town's stone walls.

The Highbreed located their operation to the same site for the large deposits of crystal quartz. It also became the site of the resistance lead by Ben and his extended team during the events of War of the Worlds.

Ultimate Alien[]

UA (277)

Shelter Homes

Los Soladad's current condition in Ultimate Alien is the same as it was in Alien Force. Ben uses it as a base for dealing with aliens.

In Fused, Ben, Gwen, and Kevin trapped Ra'ad there while they interrogated him on why he attacked Ben.

In Map of Infinity, most of the base was destroyed when Ben battled Ultimate Aggregor.

In Absolute Power: Part 2, Los Soledad is the site where Ultimate Echo Echo battles and defeats Ultimate Kevin.


In And Then There Were None and And Then There Was Ben, the fight between the good and evil Omnitrix users takes place in the No Watch Timeline's Los Soledad.

Known Inhabitants[]

Known Visitors[]

Prime Timeline[]

No Watch Timeline[]


Alien Force[]

Season 1[]

Ultimate Alien[]

Season 1[]

Season 2[]

Season 3[]


Season 5[]


"Los Soledad" follows the naming conventions of American towns/cities near the Mexico border having Spanish names starting with Los ("Los Angeles"; "Los Alamos"). 'Soledad' in particular means 'loneliness/solitude' in Spanish.

However, the name is written incorrectly, as 'Los' is a plural masculine article that conflicts with 'Soledad' being a singular feminine noun. The grammatically correct version would "La Soledad" or "Las Soledades". Yet, the name could be grammatically correct if the base was named after a family with the surname Soledad.


  • Los Soledad is the place where Professor Paradox's time experiment occurred and where he was "unstuck" from time allowing him to exist outside of time, making him immortal.[3]
  • Whenever Professor Paradox time travels to a place, the fabric of space-time there becomes thinner and it is "paper-thin" at Los Soledad.[4][5]


Earth Locations
Prime Timeline
United States of America
Bellwood Bellwood MuseumBen's HouseBillions TowerBurger ShackBaumann's StoreCollins' ManorGwen's HouseJulie's HouseKevin's Mother's HouseMadison Elementary SchoolMax's PlumbingMr. SmoothyNemesis TowerPlumber HeadquartersSara's Italian DeliSav Cost
Undertown Argistix Security Inc.Black HoleGas HouseGolden Fist TournamentSpaceman's WharfY-it's Scooter Rentals
Northwest Wyoming (Yellowstone National Park) • Seattle (Space Needle)
Northeast South Dakota (Mt. RushmoreRapid City)
Southwest California (San FranciscoYosemite National Park) • Nevada (Area 51) • New Mexico (Slaterville)
Southeast Florida (Kennedy Space Center) • Kentucky (Fort Knox) • South Carolina (Digby Dairy)Washington DC (Mega Mart)
East Coast New York City (Total Zone)Niagara Falls • St. Augustine (Fountain of Youth)
Other Air Force BaseBancroft AcademyCamp OpiniconFriedkin UniversityGrover's MillHex and Charmcaster's TowerLos SoledadPlanetary StudiosSanta Mira (Hatchery)SealSparksvilleThunderclap DinerWaltonValadis Laboratories
Other Countries
Brazil (Rio de Janeiro) • China (Great Wall of China) • Egypt (Pyramids of Giza)Greenland • Mexico (Mayan Temple of Ek Chuaj) • Russia (Moscow) • South America (Dos SantosTemple of the Sky) • United Kingdom (Big BenHighgate CemeteryHowl's Castle Moving and StorageLondonStonehenge)Zarkovia
23rd Mr. SmoothyDagon's ShrineExtraterrestrial EmporiumHP Lunchkraft
Alternate Dimensions/Timelines
Original Future Timeline Omnitrix City (Ben 10,000's Headquarters)
Race Against Time Timeline Hardware Store HeadquartersLe'Roys
Ultimate Alien Future Timeline Ben 10,000's Headquarters
Dimension 23 Mr. GyroTower 23
Omniverse Future Timeline Omnitrix City (Ben 10,000 Tower)
Games Italy (CatacombsColosseum) • France (Paris) • Japan (Tokyo) • South America (Amazon) • United States of America (Grand CanyonDevils Tower)
Non-Ben 10
Generator Rex Bob's Biscuit BarnBug Jar