Penguins are the most abundant birds on the Heard Island and McDonald Islands group. The islands are also home to other animals including seals, flying birds and invertebrates — but no humans.

Here are the ins and outs of visiting the action-packed Galápagos Islands on a group-travel itinerary, according to one mom who just got back.

Yes, Trump placed tariffs on uninhabited group of islands occupied mainly by penguins UNESCO World Heritage says the Heard Island and McDonald Islands exist "in the complete absence" of human impact.