Kamchatka (Russia): Avachinskiy Bay Boat Tour
Avachinsky Bay aka Avacha Bay is the second largest and deepest bay in the world, and you can explore it on a boat cruise from Petropavlovsk. The boat takes you to the Stanitskiy cape with a picturesque lighthouse, Three Brothers rocks, Devil’s Finger rocks, Zavoyko Island, and much more. There is plenty of wildlife as well – 44 nestling colonies of 10 kinds of sea birds including cormorants, guillemots, murrelets and kiddaws. There are also many seal rookeries on the reefs near the islands.