Tadmor is the Biblical name given to Palmyra, Syria and is told to be a city built by Solomon and made "in the wilderness." The city was constructed to fabricate trade with the East and has grounds in southern Palestine toward the wilderness, in Hebrew texts. The city is one of the ancient world and today the ruins indicate a splendor of riches, wealth, and power. Before it fell to the Romans, the city held the Temple of the Sun (dedicated to Baal), burial places and places of worship, and a street of columns. 

Known more commonly in modern times as The River Thames, The Isis River stretches an astounding 205 miles in length from source to basin. The famous London bridge runs above it in the city of the same name, where the water has an average depth of 18 feet. The river itself is surrounded by many leisurely activities- from public parks to restaurants boasting traditional "English food"- and supplies the city with a large part of its freshwater supply.

The Adriatic Sea is the sea to the right side of Italy, separating it from the Balkan Peninsula. It is mentioned in line 269 of "Eighteen Hundred and Eleven", "Venice the Adriatic weds in vain." In 1811, during the Napoleonic Wars, the Adriatic Sea was a minor theatre or area of military importance. The British Royal Navy would often patrol there and some naval battles occurred there, including the Battle of Lissa. 

Potosí is one of the highest cities in the world at an astonishing 13,420 ft above sea level. Potosí lies at the foot of the Cerro de Potosí which is often referred to as the Cerro Rico meaning "rich mountain". It is called so as it is known to be "made of" silver ore that controls the city in many ways. Potosí was a major supplier of silver to the Spanish empire until the 18th century (Wikipedia) 

Potosí  is referenced in the poem Eighteen Hundred and Eleven, a Poem:

The River Cam is a river that runs through the city of Cambridge, running past Cambridge University, as mentioned in "Eighteen Hundred and Eleven" lines 135-136:

The Vale of Tempe is a gorge in northern Thessaly, Greece. The mountain to the north of the gorge is Olympus, and the Ossa mountain is to the south, creating a river valley. In ancient times, the Greeks would celebrate this land, and even put up a temple for Apollo, which was used for worship to the Greek God of the Sun.

Lodore Falls is a waterfall, and it is located in Cumbria, England. It dates back to the Victorian times, and it really gained popularity when it was written about by poet Robert Southey. It is also written about in "Eighteen Hundred and Eleven, a Poem" by Anna Letitia Barbauld.  The poem focuses on criticism towards Britain and imperialism.

Lodore Falls is a waterfall, and it is located in Cumbria, England. It dates back to the Victorian times, and it really gained popularity when it was written about by poet Robert Southey. It is also written about in "Eighteen Hundred and Eleven, a Poem" by Anna Letitia Barbauld.  The poem focuses on criticism towards Britain and imperialism.

The Nile River is a major river in Africa, formed 30 million years ago, which provided ealry African societies with a means to survive. The Nile is 6,600 Kms long (4,100 miles) and stretches across East Africa and ends in the Mediterrainean. The Nile is extremely important to the History of Africa because it provided civilizations, specifically Egypt, a water source which meant fertile land and the possibility for irrigation. It also let them transport materials for building, which is what allowed them to build the pyramids.