Louise Bourgeois's iconic 'Maman' spider sculptures (bronze, steel, marble) are permanently located in several cities worldwide, including Ottawa (National Gallery of Canada), Bilbao (Guggenheim), Doha (Qatar National Convention Centre), Bentonville (Crystal Bridges), Seoul (Leeum), and Tokyo (Mori Art Museum), with others in cities like London (Tate Modern, often temporary) and Saint Petersburg (Hermitage), plus various museum collections and temporary exhibits globally.
Here's a breakdown of major permanent/frequent locations:
North America
Ottawa, Canada: National Gallery of Canada.
Bentonville, USA: Crystal Bridges Museum of American Art.
Bilbao, Spain: Guggenheim Museum.
Kansas City, USA: Kemper Museum of Contemporary Art (has editions).
Seattle, USA: Olympic Sculpture Park (has editions).
Washington D.C., USA: Hirshhorn Museum (has editions).
Europe & Middle East
London, UK: Tate Modern (often featured, sometimes temporary).
Saint Petersburg, Russia: Hermitage Museum.
Doha, Qatar: Qatar National Convention Centre.
Asia
Seoul, South Korea: Leeum, Samsung Museum of Art.
Tokyo, Japan: Mori Art Museum (has editions).
Other Versions/Temporary Spots
Editions of smaller spider sculptures ('Spider I', etc.) are in many other museum collections (SFMOMA, MoMA) and appear in temporary exhibitions in places like Basel, Oslo, and Paris.
https://en.wikipedia.org/wiki/Maman_(sculpture)