8 Old Ruins to explore in United States
Third largest and third most populous country in the world. Size-wise, it is almost as large as the continent of Europe.
4,163 acres (17 km²) park that includes the grounds of former mercury ("quicksilver") mines. The park is named after the New Almaden Quicksilver Mines, which were named after the mercury mine in (old) Almadén, Spain, and produced mercury that was used to process ore during the Gold Rush.
This is the largest natural history museum in the world. The complex comprises 26 interconnected buildings housing 45 permanent exhibition halls, in addition to a planetarium and a library and the collections contain over 34 million specimens of plants, animals, fossils, minerals, rocks, meteorites, human remains, and human cultural artifacts and more.
The scenic and historic elements of the park include a masonry dam and overlook where visitors can view architectural remains of the old mill and the cascading shoals of the Enoree River. Pelham Mill is recognized by the National Register of Historic Places and Greenville County Historic Preservation Commission as a historic site.
This is a monumental structure originally constructed for the 1915 Panama-Pacific Exposition in order to exhibit works of art presented there. Situated in the Marina District of San Francisco, California. In addition to hosting art exhibitions, it remains a popular attraction for tourists and locals.
Walnut Canyon National Monument preserves some of the Southwest’s earliest history, these incredible ruins are shockingly intact and preserved by the park service for anyone to enjoy. There are 25 cliff dwelling rooms constructed by the Sinagua, a pre-Columbian cultural group that lived in Walnut Canyon from about 1100 to 1250 CE.
The Wormsloe Historic Site was once the colonial estate of carpenter Noble Jones, who came to Georgia with James Oglethorpe in 1733. This former plantation is the site of the oldest standing structure in Savannah. The ruins of Jones’ tabby house was built in 1745.