Natural parks feel like a reductive treatment of nature conservation, especially since in real life marshes and rainforests are far more likely to hold conservation interest than random forests or mountains. New resources: fossils and rare species Fossils are a special resource found only on land tiles, and revealed by Natural History. They are more likely to be found on hills and tiles adjacent to rivers or coast. Rare Species are revealed at Conservation (or through Charles Darwin special ability), and can be found on any tile, including coast or lake tiles. They are more likely to be found on or adjacent to tiles with oases, marshes or rainforests. There are six types of species and fossils: plants, mammals, fish, birds, insects and herpetiles, with varying likelihood of appearing on any given terrain or feature. I'd like to work in mineral specimens, but I am not sure how. Fossil can be extracted by archeologist, and species can be collected by naturalist, generating a Rare Specimen. Rare Species on land yield +1 science within the territory of a Zoo, and one or sea or lake yield +1 science within the territory of an Aquarium. Fossils do not give any yield. Rare Species and Fossils are destroyed by volcanic eruptions just like other harvestable resources. In fact, all types of disasters may destroy Rare Species. Actively building anything the tiles one will remove the species or fossil. This does not count automatic roads such as those created by traders or Rome's special ability. Harvesting anything (for species) or quarriable resources (for fossils) will also remove them. Destroying a rare species may cause grievances from environmentalist leaders. Destroying a fossil will cause grievances from scientific leaders. Some rare species and fossils remain hidden! They will be revealed if are withing the line of sight of an archeologist or naturalist. New building/improvements: Natural history museums, research stations and Nature reserves Natural history museums Natural History Museums are a thirds type of museum, available at Natural history. They can hold fossils and rare specimens. Rare specimens are created by Naturalists and will remove the rare species from the tile. A natural history museum is themed by putting three fossils or three rare specimens of different types in it. Fossils can be held in archeological museums just like artifacts, but fossils cannot be used to theme an archeological museum Naturalists now have charges! A naturalist created in a city with a Natural History Museum has 3 charge, otherwise only 1. It takes 2 charges to establish a national park. Research stations and Nature Reserves Research stations and Nature Reserves are national park-like improvement. They can be damage and even destroyed by disasters, but not removed by any player action. Naturalists can use 1 charge to build 1-tile Nature Preserves and Research Station improvements (including on coast tiles). Doing so expends the Naturalist. Mounties can establish Nature Reserves, but not build Research Stations. Research Stations generate +1 tourism and +2 science. They can only be built on tiles with Rare Species or a resource. Doing so removes the Rare Species, but generates a Rare Specimen if an appropriate great work slot is available. Nature Reserves generate +1 tourism, +2 culture and +1 amenity to their city. They can be built only on tiles with Rare Species or an Appeal of Breathtaking and neither road nor improvements. Roads cannot be built on them. Adjustments to national parks Tiles with Rare Species and Nature reserves can become part of National Parks even if they are on water tiles, no matter their appeal. Nature Reserves can also be created inside existing National Parks.