Gateway Arch is a Modernist arch in St. Louis, Missouri. Built in 1965, it was designed by Eero Saarinen, and is a National Historic Landmark. It is owned by National Park Service (United States).
Location: Gateway Arch National Park, St. Louis, Missouri, United States
Verified facts
- Designed by Eero Saarinen
confidence 85/100 · 4 independent sources · SRC-5510, SRC-5511, SRC-7955, SRC-7956 - Built in 1965
confidence 85/100 · 4 independent sources · SRC-5510, SRC-5511, SRC-7955, SRC-7957 - Architectural style: Modernist
confidence 70/100 · 3 independent sources · SRC-5510, SRC-5511, SRC-7958 - Located in St. Louis, Missouri
confidence 85/100 · 4 independent sources · SRC-5510, SRC-5511, SRC-7959, SRC-7960 - Historic designation: National Historic Landmark; U.S. National Register of Historic Places (1987); Gateway Arch National Park
confidence 85/100 · 4 independent sources · SRC-5510, SRC-5511, SRC-7960, SRC-7961 - Owned by National Park Service (United States)
confidence 85/100 · 4 independent sources · SRC-5510, SRC-5511, SRC-7959, SRC-7962
Evidence & sources
- SRC-5510 — Gateway Arch — Wikipedia (Tier 2, encyclopedia; retrieved June 2026)
- SRC-5511 — Britannica — Gateway Arch (Tier 2, encyclopedia; retrieved June 2026)
- SRC-7955 — National Park Service – History & Culture, Gateway Arch National Park (Tier 1, official; retrieved June 2026)
- SRC-7956 — Gateway Arch – Explore the Gateway Arch's History (Tier 1, official; retrieved June 2026)
- SRC-7957 — Gateway Arch — Official Site, About (Tier 1, official; retrieved June 2026)
- SRC-7958 — Gateway Arch — Structurae (International Database of Structures) (Tier 2, reference; retrieved June 2026)
- SRC-7959 — National Archives – A Gateway to the West (Tier 1, official; retrieved June 2026)
- SRC-7960 — National Park Service – Gateway Arch National Park (Tier 1, official; retrieved June 2026)
- SRC-7961 — National Parks Conservation Association — Gateway Arch National Park (Tier 2, secondary; retrieved June 2026)
- SRC-7962 — National Park Service – Gateway Arch National Park Purpose and Significance (Tier 1, official; retrieved June 2026)
How we verify
Every fact above is independently corroborated by at least two reputable sources and
confidence-scored before publication. Claims that cannot clear that bar are withheld. We show the
street address only for non-residential public landmarks (museums, commercial and civic buildings,
publicly documented filming-location sites); the exact addresses of private residences and any
personal information are structurally barred from publication. Last reviewed June 2026.