Bartitsu: The Lost Martial Art of Sherlock Holmes Filming Locations

Chicago, on Lake Michigan in Illinois, is among the largest cities in the U.S. Famed for its bold architecture, it has a skyline punctuated by skyscrapers such as the iconic John Hancock Center, 1,451-ft. Willis Tower (formerly the Sears Tower) and the neo-Gothic Tribune Tower. The city is also renowned for its museums, including the Art Institute of Chicago with its noted Impressionist and Post-Impressionist works.

Haltwhistle is a market town and civil parish in Northumberland, England, 23 miles east of Carlisle and 37 miles west of Newcastle upon Tyne. It had a population of 3,811 at the 2011 Census. Haltwhistle is the closest community to Hadrian's Wall and to Northumberland National Park, both approximately 2 miles distant.

Harrisburg, the state capital of Pennsylvania, sits on the Susquehanna River. The National Civil War Museum illustrates both sides of the conflict via interactive exhibits and re-enactments. Next to the imposing Capitol building, the State Museum of Pennsylvania celebrates the area’s natural, cultural and industrial heritage. East of the city, Hersheypark is a chocolate-themed park offering rides and entertainment.

London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.

Meiringen is a municipality in the Interlaken-Oberhasli administrative district in the canton of Bern in Switzerland. Besides the village of Meiringen, the municipality includes the settlements of Balm, Brünigen, Eisenbolgen, Hausen, Prasti, Sand, Stein, Unterbach, Unterheidon, Wylerli and Zaun.

Rome is the capital city of Italy. It is also the capital of the Lazio region, the centre of the Metropolitan City of Rome Capital, and a special comune named Comune di Roma Capitale.

Seattle, a city on Puget Sound in the Pacific Northwest, is surrounded by water, mountains and evergreen forests, and contains thousands of acres of parkland. Washington State’s largest city, it’s home to a large tech industry, with Microsoft and Amazon headquartered in its metropolitan area. The futuristic Space Needle, a 1962 World’s Fair legacy, is its most iconic landmark.

Switzerland is a mountainous Central European country, home to numerous lakes, villages and the high peaks of the Alps. Its cities contain medieval quarters, with landmarks like capital Bern’s Zytglogge clock tower and Lucerne’s wooden chapel bridge. The country is also known for its ski resorts and hiking trails. Banking and finance are key industries, and Swiss watches and chocolate are world renowned.

Tulsa is a city on the Arkansas River, in the U.S. state of Oklahoma. It’s known for its art deco architecture, mostly in the central Deco District. Landmarks like the Philcade and Philtower buildings reflect a 20th-century construction boom fueled by the prosperous local oil industry. The Philbrook Museum of Art is housed in an Italianate villa that was once the home of a local oil magnate.

The U.S. is a country of 50 states covering a vast swath of North America, with Alaska in the northwest and Hawaii extending the nation’s presence into the Pacific Ocean. Major Atlantic Coast cities are New York, a global finance and culture center, and capital Washington, DC. Midwestern metropolis Chicago is known for influential architecture and on the west coast, Los Angeles' Hollywood is famed for filmmaking.