I've been to that museum. It is extremely bizzare with a bunch of real penises from all sorts of animals (and people) floating in jars. The facts on all the plaques are kinda fun, but many of the penises are in questionable state.
Also the museum was started by someone who was randomly gifted a whip made from a bulls penis. That kicked off a weird fascination and he started both collecting and being gifted more and more until he figured they might as well open a museum.
Last I was there, they even had a fantasy section for mythical beast penises. I only remember trolls and elves, but they had representations for each of the penises.
My wife and I made the decent walk at least 6-7 times while we were there for 10 days 2 years ago. The fried onions and sauces they put on make the hot dogs so delicious! One of multiple solid reasons to visit, for sure.
Well seems like i missed the most important place on my visit to iceland. I wanted to go back one day anyways but now i have a reason i can tell everyone.
Dolphins are known for their intelligence, promiscuity and absurdly dexterous penises. They have a prehensile penis, meaning it can swivel, grab and grope, much like a human hand. A prehensile penis helps males navigate the complex, labyrinth-like reproductive tracts of female dolphins.