A renowned tourist destination, the Hofburg draws 20 million people annually.Vienna's imperial palace for centuries was in the city center. It now houses various museums and cultural institutions.
Cathédrale Notre-Dame, France
Notre Dame, a Gothic masterpiece in Paris, is famous. The second-most-visited tourist destination in Europe, it receives 14M tourists annually.
Brandenburg Gate, Germany
This neoclassical building from the 18th century is one of the most well-known sights in Berlin and all of Germany. Every year, more than 12 million people go to the Brandenburg Gate.
St. Peter’s Basilica, Italy
Among the world's greatest churches, St. Peter's Basilica is the hub of Vatican City, attracting 10 million people annually. The church has some of Christianity's holiest relics, including Saint Peter's tomb.
Palace of Versailles, France
The Palace of Versailles is a French icon. The 17th-century royal palace for King Louis XIV housed the French government for nearly a century.
The Louvre, France
Paris' Louvre is the world's largest art museum and historic monument. One of Europe's most popular tourist destinations, it draws over nine million tourists annually.
Colosseum, Italy
Rome's Colosseum, erected over 2,000 years ago, is one of the world's greatest engineering accomplishments. Today, it's one of Italy's most famous tourist spots, drawing 7.6M tourists annually.
Eiffel Tower, France
The Eiffel Tower on Paris' Champ de Mars attracts 7M+ visitors annually. The tower was built as a World's Fair attraction in 1889.
Pantheon, Italy
The Pantheon is a Rome icon.This ancient temple's 2,000-year-old concrete dome is an engineering marvel.