Built to rival the opulence of Versailles, Vienna's Schönbrunn Palace was once a summer residence of the Habsburg monarchs. Today, this baroque palace is listed as a UNESCO World Heritage Site and is one of the most important architectural, cultural, and historic monuments in Austria.

It houses the fabulous art collection of the Habsburgs, the royal dynasty of Austria for over 600 years. Inside you'll find amazing art treasures including Greek, Roman and Egyptian antiquities, European paintings and sculptures, a coin collection named one of the five best in the world.

It is the beating heart of Austria, and the home of top attractions such as Vienna's city hall, Parliament, and the lively Museum Quarter. Also known as the First District or Inner City and preserved as a UNESCO World Heritage Site, the area is rich with baroque castles and gardens.

Set against a backdrop of the UNESCO World Heritage-listed Schönbrunn Palace, the Schönbrunn Zoo (Tiergarten Schönbrunn) is the world's oldest zoo, dating back to 1752. Today, the park houses some 750 species and focuses on the conservation and protection of endangered species.

Built in the 18th century as the summer residence of Prince Eugene of Savoy, the magnificent Belvedere Palace (Schloss Belvedere) is among the many treasures of Vienna's Baroque era and a UNESCO World Heritage–listed monument.

Displayed in a former residential palace on the tip of the vast Hofburg Imperial Palace complex, the grand Albertina is among the city's most notable attractions, home to an incredible 1.5 million prints and over 50,000 drawings.

Formerly winter residence of the Austrian royal family, the Hofburg Imperial Palace is a lasting tribute to the glory of the Habsburg Empire. It's one of Vienna's most magnificent baroque palaces, located within Vienna's UNESCO-listed historic center. Visitors can explore the Imperial Apartments.

With a history dating back to 1889 and a permanent collection made up of over 20 million objects, the Natural History Museum Vienna (Naturhistorisches Museum Wien) is one of the largest and most renowned natural history museums in the world.

A masterpiece of Renaissance architecture and one of the most prestigious opera houses in the world, the Vienna State Opera (Wiener Staatsoper) is a hallowed venue for opera fans. Attending a concert at the Vienna State Opera is an unforgettable experience.

With its dark Gothic spires, intricately tiled roof, and imposing bell tower, St. Stephen's Cathedral is one of Vienna's star attractions. Centrally located on Stephansplatz square in the city's UNESCO-listed historic center, the cathedral is architecturally stunning both inside and out.

Filled to bursting with Austrian art from the early 20th century, the Leopold Museum has an appropriately contemporary design. Constructed in Vienna's innovative MuseumsQuartier by design partnership Ortner & Ortner, the museum opened in 2001 and is essentially a gleaming white, limestone cube that contrasts neatly with the flamboyant Baroque architecture of Imperial Vienna.