© Getty Images

Vienna, Austria -

You might be surprised to know that Vienna actually sits in two different climate zones. The Austrian capital is located right at the border of the middle European transitional climate and the drier Pannonian zone.

© Getty Images

Vienna, Austria -

Vienna has the oldest zoo in the world. Known as the Tiergarten Schönbrunn, it opened in 1782 for the royal family to enjoy. It's currently home to about 700 species.

© Getty Images

Vienna, Austria -

The German name for Vienna is Wien. That means Austria’s most famous dish, the wiener schnitzel, translates to Viennese schnitzel. The breaded veal is traditionally served with a side of parsley potatoes or a potato cucumber salad.

© Getty Images

Copenhagen, Denmark -

The people of Copenhagen love their cycles. More than half of the city’s residents commute on the city's 220 miles (350 km) of lanes. 

© Getty Images

Copenhagen, Denmark -

Copenhagen is home to the world's oldest amusement park, Dyrehavsbakken. Also known as Bakken, it dates back to 1583 when residents discovered a natural spring that was believed to have curative properties. Crowds started visiting in the spring, which later turned the event into a carnival-like atmosphere.

© Getty Images

Copenhagen, Denmark -

One of Copenhagen’s most popular tourist attractions, the Little Mermaid statue, has not had it easy. Displayed since 1913, the statue has been decapitated twice, coated in paint and graffiti, and had an arm sawn off. Yikes! 

© Getty Images

Zürich, Switzerland -

If you ever run around thirsty in Zürich, don't worry, Switzerland has some of the cleanest drinking water and the city offers 1,224 public water fountains.

© Getty Images

Zürich, Switzerland -

Zürich has many famous connections, such as Albert Einstein. He studied at the ETH Zürich between 1896 and 1900. He was also a professor at the same institution and at the University of Zürich. 

© Getty Images

Zürich, Switzerland -

The biggest city in Switzerland is home to Europe's largest church clock. Located in the St. Peter's Church, the clock has an outer diameter of 28 feet (8.64 meters) and a minute hand measuring 18 feet (5.73 meters). 

© Getty Images

Calgary, Canada -

The 1988 Winter Olympics in Calgary were the first winter Olympics held in Canada. This left a lasting legacy on the city, turning it into a spot for many other international events.

© Getty Images

Calgary, Canada -

Calgary is home to over 15 networks of underground tunnels, the largest of its kind. This means you can walk 11 miles (18 kilometers) in downtown Calgary without having to go outside.

© Getty Images

Calgary, Canada -

The Calgary Stampede is an annual rodeo, which happens to be the largest in the world. The 10-day event also features concerts, exhibitions, and plenty of big parties. 

© Getty Images

Vancouver, Canada -

In North America, Vancouver comes second after Los Angeles in TV production, and third in feature film production, after New York. Thanks to this, the city is known as the "Hollywood of the North."

© Getty Images

Vancouver, Canada -

Vancouver is home to Canada’s longest pool. Kits Pool is the city’s only saltwater pool with lanes that stretch 450 feet (137 meters).

© Shutterstock

Vancouver, Canada -

Vancouver is one of the most ethnically and linguistically diverse cities in Canada. Fifty-two percent of its residents have a first language other than English. The city also has the highest proportion of Asians per capita of any North American city. 

© Getty Images

Geneva, Switzerland -

Lake Geneva is the largest Alpine lake and one of the city's main attractions. Covering an area of approximately 224 square miles (580 square kilometers), the lake offers many fun outdoor activities. 

© Getty Images

Geneva, Switzerland -

Switzerland is known for their exquisite watches, and it was actually invented in Geneva. In 1541 Calvinists banned the use of jewelry, and for that reason local goldsmiths started brainstorming the invention of watches. 

© Getty Images

Geneva, Switzerland -

Switzerland’s flag's resemblance with The Red Cross is not a coincidence. The Red Cross was actually founded in 1863 in Geneva, where its headquarters remain to this day.

© Getty Images

Frankfurt, Germany -

The financial center of Germany, Frankfurt is home to one of the largest stock exchanges in the world. Owned and operated by Deutsche Börse AG and Börse Frankfurt Zertifikate AG, the Frankfurt Stock Exchange is the 12th-largest stock exchange in the world by market capitalization.

© Getty Images

Frankfurt, Germany -

Frankfurt hosts the world's largest book fair, based on both number of visitors and the number of publishing companies represented. The five-day event takes place in mid-October at the Frankfurt Trade Fair.

© Getty Images

Frankfurt, Germany -

Frankfurt is home to most of Germany's skyscrapers. Of the country's 19 skyscrapers, 18 are located in the German city.

© Getty Images

Toronto, Canada -

The most identifiable structure in Toronto’s skyline, the CN Tower, is the largest freestanding structure in the western hemisphere. At 1,815 feet (553 meters), it was the tallest in the world for 32 years, up until 2007 when the Burj Khalifa was built in Dubai. 

© Getty Images

Toronto, Canada -

Known as Caribana, Toronto hosts the largest street festival in North America, with an overall attendance of two million people. The festival is a multi-weekend cultural celebration which celebrates Caribbean culture and traditions.

© Getty Images

Toronto, Canada -

Toronto's Pearson Airport is Canada's busiest airport. In 2019, it handled nearly 50 million passengers and almost 500,000 flights.

© Getty Images

Amsterdam, Netherlands -

Nearly 25,000 bikes are thrown or disappear in the Amsterdam canals every year. A special boat from the municipality picks up only 8,000 to 10,000.

© Getty Images

Amsterdam, Netherlands -

Situated two meters (6.6 feet) under sea level, Amsterdam is a city built on poles. The train station of Amsterdam Centraal alone needs 9,000 poles to be supported, whereas a normal house needs only 10.

© Getty Images

Amsterdam, Netherlands -

A city with a lot of water, Amsterdam naturally has many bridges. There are 1,281 bridges, and 80 can be found within the canal ring.

© Getty Images

Osaka, Japan -

A famous landmark, the current Osaka Castle is actually its third reconstruction. The first castle was buried deep underground, and a second one was built on top of it in 1615. Then it was destroyed by a fire following a lightning strike in 1665.

© Getty Images

Osaka, Japan -

The second most populated city in Japan, Osaka was the country's first capital during the 4th and 5th centuries. Today, Osaka is one of Japan’s largest financial centers. 

© Getty Images

Osaka, Japan -

Famed for its culture and traditional performance arts, Osaka is the birthplace of Bunraku, the old art of Japanese puppet theater.

© Getty Images

Melbourne, Australia -

Melbourne was originally named Batmania, however, it has nothing to do with Bruce Wayne. The name actually derives from one of the city’s founding fathers, John Batman, who "discovered" the region.

© Getty Images

Melbourne, Australia -

Known as the coffee capital of Australia, the residents of Melbourne love their coffee. It all started after WWII when a lot of Italians moved to Australia, bringing with them their beloved coffee. 

© Getty Images

Melbourne, Australia -

Melbourne has the largest operating tram network in the world. Seventy-five percent of the network is shared with general road traffic, and it includes about 1,700 stops around the city.  

Sources: (CNN) (The National News) 

See also: The world's most powerful cities 

© Getty Images