Cahokia Mounds, some 13 km north-east of St Louis, Missouri, is the largest pre-Columbian settlement north of Mexico. It was occupied primarily during the Mississippian period (800–1400), when it covered nearly 1,600 ha and included some 120 mounds. It is…
The Declaration of Independence (1776) and the Constitution of the United States (1787) were both signed in this building in Philadelphia. The universal principles of freedom and democracy set forth in these documents are of fundamental importance to American history…
Between the 16th and 20th centuries, a series of defensive structures was built at this strategic point in the Caribbean Sea to protect the city and the Bay of San Juan. They represent a fine display of European military architecture…
Redwood National Park comprises a region of coastal mountains bordering the Pacific Ocean north of San Francisco. It is covered with a magnificent forest of coastal redwood trees, the tallest and most impressive trees in the world. The marine and…
The property consists of eight buildings in the United States designed by the architect during the first half of the 20th century. These include well known designs such as Fallingwater (Mill Run, Pennsylvania) and the Guggenheim Museum (New York). All…
Mammoth Cave National Park, located in the state of Kentucky, has the world's largest network of natural caves and underground passageways, which are characteristic examples of limestone formations. The park and its underground network of more than 560 surveyed km…
This property is a series of eight monumental earthen enclosure complexes built between 2,000 and 1,600 years ago along the central tributaries of the Ohio River. They are the most representative surviving expressions of the Indigenous tradition now referred to…
Located in the north-west of Washington State, Olympic National Park is renowned for the diversity of its ecosystems. Glacier-clad peaks interspersed with extensive alpine meadows are surrounded by an extensive old growth forest, among which is the best example of…
Stretching over more than 200,000 ha, this exceptionally beautiful park is home to more than 3,500 plant species, including almost as many trees (130 natural species) as in all of Europe. Many endangered animal species are also found there, including…
Made in Paris by the French sculptor Bartholdi, in collaboration with Gustave Eiffel (who was responsible for the steel framework), this towering monument to liberty was a gift from France on the centenary of American independence. Inaugurated in 1886, the…
Yosemite National Park is a spectacular scene of towering granite cliffs, gushing waterfalls, and lush meadows, nestled in the heart of California’s Sierra Nevada mountains. One of the nation’s oldest and most famous national parks, it was created in 1890.…
These parks comprise an impressive complex of glaciers and high peaks on both sides of the border between Canada (Yukon Territory and British Columbia) and the United States (Alaska). The spectacular natural landscapes are home to many grizzly bears, caribou…