There are many significant sites in Oxford in world history.
The Oxford Castle is a Norman castle and where The Empress Matilda, Holy Roman Empress, Queen of the Romans, Duchess of Normandy, Lady of the English hid during the Anarchy.
The Ashmolean Museum is the world's very first public museum.
The Museum of the History of Science was the site of the original Ashmolean Museum, and is the world's oldest purpose-built museum building. It also houses a blackboard used by Professor Albert Einstein before he fled to the United States of America.
The Norrington Room in the book shop nearby holds the world record for being the largest room in the world selling books.
Christ Church was founded by His Eminence The Cardinal of King Henry VIII before His Majesty's break from Rome. It also educated more than 10 British prime ministers, and is where Harry Potter was largely filmed.
St Michael's tower belongs to the City Church of Oxford, and is an Anglo-Saxon building. It's the oldest-surviving human structure in Oxford.
Magdalen College has educated many important people, including Oscar Wilde, and it has a deer park and a very nice tower.
Somerville College educated numerous people, including Baroness Thatcher, former prime minister.
Green Templeton College has the old observatory, modeled after the Tower of the Wind in Athens (it looks much better than the one in Athens and is a lot more impressive looking).
Worcester College has a lake.
Regent's Park College is the only former University of London college that breaks off and joined another university.
Trinity College has a very nice and big piece of grassland with very nice gates.
Exeter College (educated Professor Tolkien) is another one with very nice buildings, and a roof leading to a great view of the Radcliffe Camera. You can even find evidence of donation from former Peruvian president PPK.
St John's College is huge and has very nice grounds. It's also next to the memorial for the people executed in the religious Oxford Movement.
New College also has Harry Potter filmed in it.
King's Arms is a historic pub.
Keble College has a unique architectural style (and is a must see).
You may see people playing quidditch in the University Parks.
St Cross's College is small but once again, it's an extraordinary complex.
All Souls College is one that accepts only 2 students per year, and has a world-famous entrance exam. Its quad is also one of the nicest ones.
Brasenose College educated David Cameron among many others.
Lincoln College has an exquisite church.
Merton College is the oldest society that houses and teaches undergraduates, and its library is the oldest academic library in the world.
St Edmund Hall is the oldest surviving college at Oxford, and it's famous for its graveyard.
St Catherine's College has brilliant modern structures.
Linacre College is a small but intriguing building.
St Hugh's College is walled with beautiful buildings.
St Hilda's College is a nice place to be next to the river, and it's also close to the historic Magdalen College School.
South Park is where the bonfire and fireworks are at, and you can see the Oxford skyline from there.
The Port Meadle is good for a relaxing stroll, and it has cows.
Blackfriars' Hall possesses a wonderful Catholic church attended by The Lord Christopher Patten, Chancellor of Oxford, personal advisor to His Holiness the Pope, last governor of Hong Kong, former Conservative chairman, former Chancellor of the Duchy of Lancaster etc.
The Taylorian Institute is a library that looks marvellous on the inside.
The Old Bodleian Library is full of history, with each of the floor built following a historical event. It also houses the Hogwarts' library.
The Radcliffe Camera is the most iconic site at Oxford, and St Mary's the University Church is right in front of it.
Many nice shops on The High.
The covered market and Cornmarket Street too.
Punting on the river could take you past Wolfson College, an industrial-looking one.
Kellogg College, the Careers Service, Wyncliffe Hall, Norman Gardens are all close to each other and the whole area is very victorian. Professor Dawkins also lives there.
St Anne's College feels like a hotel resort with the lights and the little paths.
The Queen's College supported King Charles I during the English Civil War and you can see evidence of that there.
Corpus Christi College doesn't have a front quad, but they have an obelisk.
St Edward's School has Oxford's second-largest quad (behind Christ Church's).
Oriel College has fantastic buildings but it's most known for having the Prime Minister Cecil Rhodes statue.
St Peter's College and the History Faculty are both historical complexes.
The science area looks great too.
King Richard the Lionheart and King John were born in Oxford, the ruins are there.
The Said Business School is a grand building which would not look out of place in Washington D.C.
Wellington Square is the headquarters of the university.
There's a real tennis court near Merton.
The Museum of Natural History and the Pitts River Museum are both very well visiting.
Nuffield College has an iconic tower. It's the first graduate college since All Souls.
Holywell has the world's oldest music room.
Christ Church claims to have the world's oldest graffiti.
Near Oxford there's the restaurant with the shark on its roof.
The Bates Collection of Musical Instructments gives you the opportunity to play with ancient and rare instruments.
Christ Church also houses priceless pieces of artwork.
Carfax Tower is another tower that would let you view the city.
The Sheldonian Theatre is where many congregations are done, and where all matriculations and graduations are done. Ceremonial site and you can also go up and view the city.
You can also view the city nicely from Weston Library.
The School of Divinity is Oxford's first department, and it also featured in Harry Potter. Best Picture nominee The Favourite was also filmed there quite a bit.
Wadham College has nice grounds.
The Oxford University Press is worth visiting, but you'll need to make an appointment.
The Clarendon building was the first OUP building.
Oxford also has one of the world's oldest pubs.
You can walk on the grass in Pembroke College.
The botanical garden is the oldest on the British isles.
Oxfam was founded on Board Street.
Balliol College is worth visiting too.
Nice restaurants on St Clement's Street.
President Clinton went to University College.
Lady Margaret Hall has nice sites.
There's Tolkien's old house.
Penicillin was discovered in Oxford.
The Randolph Hotel is historic and a favourite of the Clintons'.
The Oxford Union is a huge deal.
The Exam Schools are impressive and important.