5.5 kilometer ( 3.5 mile ), completed in the 15th century with its 40 towers and 5 fortresses

9. Vietnam Veterans Memorial Wall, United States

 National war memorial in Washington, D.C., engraved with the 58,256 names of each soldier

8. Walls of Troy, Turkey

According to Iliad, this is where the Trojan War took place (dated to the mid- to late-13th century BC)

7. Hadrian's Wall, United Kingdom

 built by the Romans in 122 A D, 117 kilometers ( 73 miles ) across the north of England from the Irish Sea to the North Sea

6. Berlin Wall, Germany

Construction began in 1961 by East Germany to stop East Berliners escaping from the Soviet-controlled East German state

into the West of the city, which was then occupied by the A mericans, British and French.

5. Great Zimbabwe Walls, Zimbabwe

 Construction started in the 11th century and continued for over 300 years, high 11 meters ( 36 ft ) extending approximately 250 meter ( 820 ft )

4. Sacsayhuamán, Peru

 Inca walled complex high above the city of Cusco, the largest is 8.5 meter high ( 28 ft ) and weights about 140 metric tons.

The wall is built in such a way that a single piece of paper will not fit between many of the stones

(This precision is thought to have helped the ruins survive the devastating earthquakes in Cuzco)

3. Walls of Babylon, Iraq

City-state of ancient Mesopotamia, constructed around 575 BC, part of the famous Walls of Babylon

2. Western Wall, Israel

 Located in the Old City of Jerusalem, constructed around 19 BC by Herod the Great

1. Great Wall of China, China

Built, rebuilt, and maintained between the 5th century BC and the 16th century

to protect the northern borders of the Chinese Empire from the attacks of nomadic tribes from the north

8,851.8 kilometers ( 5,500.3 miles )

10 World Famous Canals

Canals come in all sorts and sizes, from waterways that connect oceans to small waterways within cities.

These cities are often so deeply identified with Venice that people are tempted to compare it with this famous city.

In fact, cities all over the world which are known for their canals and waterways have a tendency to be called “The Venice of” their part of the world. But these cities have a charm and history of their own and are definitely worth a visit. A n overview of the most famous canals in the world.

10. Stockholm Canals, Sweden

Called the “Venice of the North”, Stockholm is situated on 14 islands.

Because it is built on so many islands there are canals and boats everywhere.

9. A lappuzha, India

“The Venice of the East,” A lappuzha (also known as A lleppey) is connected to the famous Kerala backwaters

8. Bangkok Klongs, Thailand

“Klong” is Thai for canal.   A nother “The Venice of the East”

7. Nan Madol, Micronesia

Nan Madol, the “Venice of the Pacific,” is a collection of small man-made islands

situated off the eastern shore of the island of Pohnpei, in Micronesia, and was probably built between the 12th and 13th century.

6. Suzhou Canals, China

Often called “The Venice of China,” Suzhou is located in Eastern China on the lower Yangtze River.

Founded in the 5th century BC, Suzhou is renowned for its charming waterways, it’s intricate gardens and historic stone bridges.

It’s also famous for its silk trade and for its proximity to the Grand Canal, one of the largest waterway trade routes in the world.

5. Panama Canal, Panama

The man-made 77 km ( 48 mile ) Panama Canal (completed in 1914) changed the course of shipping

and travel by connecting the A tlantic and Pacific oceans across a narrow strip of land in Panama.

Today more than 14,000 ships pass the Panama Canal every year.

4. Hoi A n, Vietnam

This fishing-village-turned-tourist-hotspot is situated on the coast of the South China Sea in Vietnam.

Hoi A n has been an international port from the 16th century although the serious shipping business has long since moved to the city of Da Nang.

It is sometimes called the “Venice of Vietnam” because of the narrow canals that cut through part of the town.

3. Canals of Bruges, Belgium

Bruges is one of the best preserved medieval cities in Europe and Belgium’s most popular destination.

Because of its canals Bruges is often called ‘The Venice of the North’.

2. Canals of A msterdam, Netherlands

Another “The Venice of the North,” A msterdam began building its famous canals in the 17th century during the Dutch Golden A ge.

The three main canals, Herengracht, Prinsengracht, and Keizersgracht form concentric belts around the city, known as the grachtengordel.

Today there are over 100 km ( 60 miles ) of canals and 1,500 bridges. A longside the main canals are 1550 monumental buildings.

1. Canals of Venice, Italy

Referred to as “The City of Water”, stitched together with over 150 canals, Venice is the crown jewel of water cities

 Green Canals of the Spreewald, Germany, often called the “Green Venice”

The Spreewald (German for "Spree forest") is situated 100 km south-east of Berlin and designated a biosphere reserve by UNESCO in 1991,

known for its traditional irrigation system which consists of more than 200 small channels ( 1,300 km ) within the 484 km² area.