Permanent claim record · Michigan

Viking's expedition ships Octantis and Polaris (378 passengers each) sail Great Lakes itineraries calling at Alpena, Mackinac Island, Traverse City, Detroit, and Houghton — with NOAA scientists aboard every Great Lakes voyage conducting research and lectures.

Verified

Raw value (vault-stripped)

{"tags":["viking","great-lakes-cruises","noaa"],"text":"Viking's expedition ships Octantis and Polaris (378 passengers each) sail Great Lakes itineraries calling at Alpena, Mackinac Island, Traverse City, Detroit, and Houghton — with NOAA scientists aboard every Great Lakes voyage conducting research and lectures.","category":"oddity"}

Predicate	trivia.fact
Subject	Michigan (place)
As of
Status	Verified
Source	Michigan & Midwest Leisure Travel Economics / Audience Bridge — Perplexity Deep Research (March 2026) (trust 6.5/10)
Reference	—
Document hash	pending evidence-pack link
Provenance chain
Claim ID	19e7c410-e65c-4d55-996e-c688ecd77693