Barcelona

http://imagescart.blogspot.com/2012/12/barcelona-city.html#.UX1M0kooup0

Barcelona is the second largest city in Spain. It is situated on North-East Spain and on the Mediterranean Sea. One of buildings is Sagrada Familia. Building was begun in 1882 and it wasn't still finished. Other monument is the Gran Teatre del Liceu. Liceu is the opera house which  is one of Spain's more important and larger theatres. Another attraction for tourists is gothic church Santa Maria del Mar. Famous street is La Rambla. The street is situated in central Barcelona. I think it is worth visiting the city because there are a lot of monuments and tourist attractions.

http://aaronlmorrison.com/foodblog/2009/03/

http://cruises.about.com/od/mediterraneancruises/tp/barcelona_tour.htm

New York City

http://wirednewyork.com/landmarks/liberty/pictures/

New York is the largest city in the United States. It is the most popular city in the country too. Many people describe New York City as the cultural capital of the world. Famous monument is Statue of Liberty. It is almost 47 metres high. The statue was designed and built by Alexandre Gustave Eiffel. Other tourist attraction is Times Square. It is the most often visited place in the United States. New York is a center industries in North America, for example television, film, music, advertising.

In my opinion, it is worth coming to the City of New York because it is very popular place and someone will find something for himself.

http://www.hdwallpapersarena.com/new-york-skyline-wallpapers.html

http://commons.wikimedia.org/wiki/File:Times_Square,_New_York_City_%28HDR%29.jpg

                

Mexico City

http://famouswonders.com/mexico-city/

Mexico City is the capital of Mexico. It is one of the world's largest cities. Lots of  centuries ago in this place lived the Aztec people. Other civilization who lived in the past were Maya people.

In Mexico City are numerous museums for example National Museum Anthropology. In the city are a lot of symphonies. One of them is National Symphony Orchestra. Other monument is the Metropolitan Cathedral of the Assumption of Mary. It is the oldest and the largest Roman Catholic cathedral in America.

I believe that is it worth going to Mexico City because there are plenty of monuments and other tourist attractions.

http://www.hostelinmexico.com/ontheroad/city/39/208/Mexico%20City.html

http://meksyk_stolica.lovetotravel.pl/muzeum_antropologiczne_w_meksyku

           

Warsaw

Warsaw is the capital and largest city of Poland. Central and eastern pasts of the contry. There are lots of monuments for example  Palace on the Water, Royal Castle and Castle Square, Old  Town, Warsaw University of Technology, The Sejm building ,National Stadium,National Temple of Divine Providence, Palace of Culture and Science. Is the high building in Poland. It is 237 metres high. This building was completed in 1955. I think you should go to Warsaw because it is great place.

http://pl.wikipedia.org/wiki/Warszawa

http://www.um.warszawa.pl/o-warszawie/kompendium-wiedzy/palac-kultury-i-nauki

http://commons.wikimedia.org/wiki/File:4_Warszawa-Lazienki_Krolewskie_151.jpg

Venice

http://tanie--latanie.com/tag/wenecja/

http://wenecja.lovetotravel.pl/bazylika_sw._marka

Venice is a city in northeastern Italy. There is mainly to water transport. There are many monuments for example St Mark's Basilica, St Mark's Square, Bridge of Sighs, St Mark's Clocktower and Rialto Bridge.
St Mark's Clocktower situated on the St Mark's Square. It was built in 1469-1506. Rialto Bridge is 28,80 metres long. It was built 1588-1591.
I think you should come to Venice because there are many attractions.

http://podroze.gazeta.pl/podroze/5,114158,8332982,Wenecja__Spacer_po_magicznym_miescie.html?i=8

Cracow

Cracow is in Poland and it is one of the oldest cities in the country. Cracow situated on the Vistula River. The city is the capital of Lesser Poland. In Cracow you can see Wawel. On the hill are Wawel Castle and Wawel Cathedral. Other attraction is Sukiennice which is the central Main Square. St. Mary's Church is characteristic for Cracow too. You can hear the St. Mary's Trumpet Call. In Cracow are lots of museums for example National Museum. There  is a picture "Lady with an Ermine" by Leonardo da Vinci.

http://egzotycznekraje.com/krakow/

I believe that it is worth coming to Cracow because in the city are plenty of tourist attractions.    

http://www.dumbu.pl/index/showuser/id/260

http://stephendanko.com/blog/6141

     

London

http://commons.wikimedia.org/wiki/File:London-Eye.JPG

London is the capital of United Kingdom and England. It is one of Europe's and the world's largest city. There are lots of interesting museums for instance Victoria and Albert Museum. Other tourist attraction is Buckingham Palace which is the official residence of the British monarch. It is the largest palace in the world. Big Ben is famous too. It is the great bell of the clock. It is worth seeing the London Eye. London Eye is 135 metres tall.

I think you should visit the city because it is very interesting. 

http://polskafirma.co.uk/archives/event/buckingham-palace

     

http://www.prweb.com/releases/tour-to-england/puritan-history-tour/prweb9517698.htm