Smithsonian National Museum of History, USA
This National Museum of Natural History is located in DC and forms part of the Smithsonian Institution. The museum opened its doors in 1910 and features 325,000 square feet of space for showcasing exhibitions. It’s home to 126 million specimens, including fossils, animals, and plants.
Sydney Opera House, Australia
The Sydney Opera House was formally opened in 1973 and is one of the city’s most popular and recognizable landmarks. Many people come to see the exterior of the structure, even though it’s purpose is to host around 1,500 performances each year. Thus, many visitors don’t ever step foot into the venue but watch from afar.