They were cruising for a bruising. Passengers freaked out as 40-foot waves slammed into a cruise liner navigating a treacherous stretch of ocean off Antarctica, as seen in freaky footage on Instagram.

Video captured as passengers struggled to stand as a cruise ship encountered rough conditions while passing through the infamous Drake Passage.

Passengers onboard a cruise liner were thrown into walls and sent flying across rooms when the ship they were traveling in hit huge waves in an area notorious for wild conditions. Quark Expeditions’ Ocean Explorer ship took a hammering when passing through the infamous Drake Passage,