• A favorite (literally and figuratively), Dubrovnik has become one of the most famous cities in Europe.

• This city on the coast of Croatia is a place worth crossing the ocean for, so no matter which direction you're coming from - be sure to give yourself plenty of time to relax.

• Estonia's capital, Tallinn, has become an essential stop for visitors to Helsinki looking to briefly enjoy the Baltic Islands on a one or two-day layover.

• This fictional capital contains one of the most well-preserved ancient cities to date in Europe.

8: Riga, Latvia

• Riga is another great city suitable as a stopover for travelers in the Baltic states, thanks to the cheap airlines that connect many travel routes.

• Riga is a city worth at least two full days to explore and has a lot of charm especially in spring/summer.

• Krakow is a city many people yearn to visit - not only for its charm and beauty, but also for its eternal vitality.

• The city itself is vibrant and crowded with students, which gives it a unique allure for young travelers looking to mingle with the locals and enjoy all that the city has to offer.

• Bratislava is located on the direct train route between Vienna and Budapest.

• It's another great city to stop in for a day or two, especially if you're looking for something out of the ordinary and off the beaten track.

• Brasov is one of the most visited Romanian cities thanks to its convenient location as the gateway to the country's most famous castle.

• Such as Bran Castle (also known as Dracula's Castle) and Peles Castle.

• Serbia's capital has an honest vibe, especially in the warmer months when restaurants serve lunch and dinner al fresco, and on balmy evenings when many city-dwellers head out for an all-encompassing social gathering.

• The city is also one of the most affordable cities to visit on this list and thus is a great place to stop for a while and enjoy life like the locals.

• An adventure a little further east. Lviv is just a short flight from the Polish border and is the seventh largest city in Ukraine, making it the perfect size for exploring over a few days.

• The architecture of this city is a marvel in itself, with influences from neighboring Poland, Austro-Hungarian heritage, and a unique blend of Eastern, Central, and Western European styles.

• If you don't get enough of Poland on this list, Gdansk is a wonderful city, a port city on the Baltic Sea coast.

• The old town was rebuilt after World War II but has remarkably managed to maintain its charm and old world charm.

• The Russian capital is pretty cool in real life in every sense of the word.

• Visiting historical sites, churches and of course the Kremlin will require at least four days to experience it all.

• Even if you are staying in the city center, be sure to visit the Moscow subway and other metro stations because it is considered one of the most luxurious hotels in the world.