Short Story.

This looks like the work of ghost aliens.

Icebergs often turn over as they melt. Perhaps it got scooped up.

have these people ever heard of waves?

Someone on the ship threw it there and then pointed it out to her.

Crab people

Obama: Yes he can.

Jumanji

That's where I left it! I've been looking for that thing everywhere.

Small Monolith?

It's pretty impressive to get wood in a place that's so cold.

It could be the remnants of a Japanese blaoon bomb.

Another Banksy installation...

A north african swallow carried it.

gay mexican grizzly bears

Global warming caused ice to melt and reveal a piece of Noah's Ark which had been locked in ice due to the Flood 500 years ago.

Why is there an iceberg under a block of wood?

Al Gore left it.

lol, the serious attempts of explaining this are actually pretty funny... the funny ones, even better...
but one must not forget the origin of an iceberg.... they come from glaciers... I imagine it was left on the glacier, which then broke off and floated away as an iceberg...

Who. cares.

Maybe the iceberg was fully submerged, attached to a larger piece of ice, with the wood floating above it. Then the iceberg calved off and came to the surface, lifting the wood onto itself.

Oh hell no. We're being spammed.

@Serris - it's a constant battle with spam. Sigh. They're deleted now, but it's basically a game of whack-a-mole.

The world's most difficult geocache.

My God, it's full of stars

It's life Jim, but not as we know it.

It's the penguins! first dancing, and now this? The human race was doomed from the start.