rivers
mountain ranges
seas
deserts
continents
100

The second-largest river in Europe flows through  Germany, Austria, Slovakia, Hungary, Croatia, Serbia, Romania, Bulgaria, Ukraine 

Danube River

100

Spanning several Central and Eastern European countries

The Carpathian Mountains

100

Northern European countries surround it, including Sweden, Finland, Russia, Estonia, Latvia, Lithuania, Poland, and Germany.

Baltic Sea

100

The desert in Africa

Sahara Desert/Namib Desert

100

It is a continent and a country known for its unique wildlife.


Australia

200

The ninth longest river in Europe flows through the Czech Republic, Germany 

Elbe River

200

Running the length of the Italian Peninsula.

The Apennine Mountains

200

Located between Southern Europe, Northern Africa, and Western Asia, one of the world's largest inland seas.  

Mediterranean Sea

200

The desert in Asia

Gobi Desert

200

 Known for its rich history, diverse cultures, and iconic landmarks, it is home to numerous countries and languages.

Europe

300

The 13th longest river in Europe, Italy

Po River

300

 Located in Scotland, United Kingdom, this mountainous region covers a significant portion of the country.

The Scottish Highlands

300

Bordered by six countries: Ukraine, Russia, Turkey, Bulgaria, Romania, and Georgia.

Black Sea

300

The desert in Africa

Namib Desert/Sahara Desert

300

The continent comprising Canada, the United States, Mexico, and various countries in Central America and the Caribbean.

North America

400

The 15th longest river in Europe, Poland, Czech Republic, Germany 

Oder River

400

Located in the Balkan Peninsula, covering parts of Bulgaria, Serbia, Montenegro, Kosovo, and North Macedonia.

The Balkan Mountains

400

Although often considered a lake due to its inland nature, the world's largest enclosed inland body of water. It is bordered by five countries: Russia, Kazakhstan, Turkmenistan, Iran, and Azerbaijan.

Caspian Sea

400

The desert in Middle East

Arabian Desert

400

The largest continent, known for its vast population, diverse cultures, and varied landscapes, including mountains, deserts, and forests.

Asia

500

Russia (Europe's longest river)

Volga River

500

Stretching across eight countries including France, Switzerland, Italy, Austria, Germany, Slovenia, Liechtenstein, and Monaco.

The Alps

500

The sea separates the islands of Ireland and Great Britain.

Irish Sea

500

The desert in Australia

Australian Desert

500

The southernmost continent, largely covered by ice and home to unique wildlife such as penguins, seals, and whales.

Antarctica