Upon arrival in Prague, check into your charming hotel. Begin your exploration at the iconic Old Town Square, the historical heart of Prague. This bustling plaza is surrounded by stunning architecture, including the Týn Church and St. Nicholas Church. Take in the vibrant atmosphere, street performers, and horse-drawn carriages, setting a romantic tone for your trip.

Located on the Old Town Hall, the Prague Astronomical Clock is a medieval marvel. Gather with the crowd to watch the hourly show where animated figures come to life. Afterwards, consider climbing the Old Town Hall Tower for panoramic views of the square and surrounding rooftops, especially beautiful at dusk.

As evening approaches, take a romantic stroll across the magnificent Charles Bridge. Adorned with Baroque statues, this pedestrian bridge offers breathtaking views of Prague Castle and the Vltava River, particularly enchanting as the city lights begin to twinkle. Enjoy the street artists and musicians as you make your way across.

Dedicate your morning to exploring the vast Prague Castle complex, a UNESCO World Heritage site and the largest ancient castle in the world. Allow several hours to wander through its courtyards, palaces, and churches. Don't miss the stunning St. Vitus Cathedral with its Gothic architecture and beautiful stained glass windows.

Within Prague Castle, St. Vitus Cathedral is a masterpiece of Gothic architecture. Marvel at its intricate facades, towering spires, and the impressive interior, including the stunning stained-glass windows by Alfons Mucha. It's a truly awe-inspiring experience.

Discover the charming Golden Lane within Prague Castle, a picturesque street lined with tiny, colorful houses once inhabited by castle guards, goldsmiths, and even Franz Kafka. Explore the quaint workshops and learn about the history of its former residents.

After descending from the castle, explore Malá Strana, or Lesser Town. This area is characterized by beautiful Baroque gardens, grand palaces, and charming streets. Enjoy a quiet lunch in one of its traditional Czech restaurants.

Conclude your day with a visit to the Wallenstein Garden, a magnificent Baroque garden featuring manicured hedges, elaborate statues, and a stunning grotto. It's a peaceful oasis perfect for a romantic stroll.

Spend your morning exploring the historic Jewish Quarter, Josefov. Visit the Old Jewish Cemetery, a poignant and densely packed burial ground, and explore some of the synagogues like the Pinkas Synagogue or the Old-New Synagogue, each with its own compelling story. Consider a guided tour to fully appreciate the area's rich history and cultural significance.

The Old Jewish Cemetery is a remarkably moving site, with gravestones stacked upon gravestones due to limited space over centuries. It's a powerful testament to the resilience and history of Prague's Jewish community. Take time to reflect on the stories held within this sacred ground.

In the afternoon, enjoy a relaxing Vltava River cruise. This offers a different perspective of Prague's iconic landmarks, including Charles Bridge, Prague Castle, and the National Theatre, all from the comfort of a boat. It's a perfect way to unwind and enjoy the city's beauty together.

After your cruise, take a detour to see the modern and unconventional Dancing House, designed by Frank Gehry. It's a striking contrast to Prague's historic architecture and offers a unique photo opportunity. You can even enjoy a drink at its rooftop bar for excellent city views.

Enjoy a scenic morning train journey from Prague to Vienna. The train ride typically takes around 4 hours and offers comfortable travel between these two grand capitals. Upon arrival in Vienna, check into your hotel and prepare to be enchanted by Austria's imperial city.

Begin your Viennese exploration with a visit to the magnificent Vienna State Opera. Even if you don't attend a performance, its stunning architecture is a sight to behold. Consider a guided tour to learn about its rich history and opulent interiors. At night, it's beautifully lit, offering a romantic backdrop.

Walk to St. Stephen's Cathedral, a breathtaking Gothic masterpiece in the heart of Vienna. Marvel at its intricate facade and stunning tiled roof. Inside, explore its grandeur and consider climbing the South Tower for panoramic views of the city or descending into the catacombs for a historical perspective.

Stroll along Graben and Kohlmarkt, Vienna's most elegant shopping streets. Admire the luxurious boutiques, historic buildings, and the beautiful Plague Column. These pedestrian zones are perfect for window shopping and soaking in the sophisticated Viennese atmosphere. Stop for a traditional Viennese coffee and Sachertorte.

Dedicate your morning to Schönbrunn Palace, the former imperial summer residence. Explore the lavish staterooms on a Grand Tour and then wander through the expansive Baroque gardens. Don't miss the Gloriette, a grand archway offering superb views back towards the palace and the city.

Ascend to the Gloriette, located at the highest point of the Schönbrunn gardens. From here, you'll be rewarded with a spectacular panoramic view of Schönbrunn Palace, its gardens, and the Vienna cityscape. It's a perfect spot for romantic photos and a moment of tranquility.

If time permits and you enjoy wildlife, visit the Tiergarten Schönbrunn, the world's oldest continuously operating zoo, located within the palace grounds. It's beautifully maintained and home to a diverse collection of animals, including pandas.

Explore the vast Hofburg Palace complex, the former principal imperial palace of the Habsburg dynasty. Visit the Imperial Apartments, the Sisi Museum (dedicated to Empress Elisabeth), and the Silver Collection to get a comprehensive insight into the lives of Austrian royalty. It's a deep dive into imperial history and luxury.

Within the Hofburg complex, don't miss the State Hall of the Austrian National Library, one of the most beautiful libraries in the world. Its ornate Baroque architecture, frescoed ceilings, and countless ancient tomes are truly breathtaking and offer a quiet, romantic escape.

Spend your afternoon in the vibrant Museumsquartier (MQ), one of the largest cultural complexes in the world. Choose between the Leopold Museum (featuring Austrian modern art like Klimt and Schiele) or MUMOK (Museum of Modern Art). Enjoy a coffee in one of the MQ's lively courtyards.

This morning, take a comfortable train ride from Vienna to Budapest. The journey typically lasts around 2.5 to 3 hours, offering glimpses of the European countryside. Upon arrival, check into your Budapest hotel, ideally located to explore both Buda and Pest.

Begin your Budapest adventure by heading to the Buda Castle District. Explore the historical palace complex, which houses the Hungarian National Gallery and the Budapest History Museum. Enjoy the sweeping views of the Danube and Pest from the castle grounds. You can take the Funicular up for a fun experience.

Adjacent to Fisherman's Bastion, marvel at the stunning Matthias Church. Its unique colorful tiled roof and ornate interior make it one of Budapest's most beautiful churches. This is a must-see architectural gem with a rich history of coronations and royal weddings.

Just steps from Matthias Church, the Fisherman's Bastion offers perhaps the most iconic panoramic views of Budapest, including the Parliament Building, the Danube, and Pest. Its neo-Romanesque terraces and turrets create a fairytale setting, especially romantic at sunset.

After a day of exploring, unwind with a relaxing evening at Széchenyi Thermal Bath. This grand Neo-baroque complex is one of Europe's largest thermal spas. Soaking in the warm medicinal waters, especially under the evening sky, is an essential and uniquely Budapest experience for couples.

Start your day with an awe-inspiring visit to the Hungarian Parliament Building, an architectural marvel on the banks of the Danube. Consider taking a guided tour to see its opulent interiors, including the Holy Crown of Hungary. Even from the outside, its Neo-Gothic design is breathtaking.

A short walk from the Parliament, discover the poignant Shoes on the Danube Bank memorial. This art installation commemorates the Jewish victims shot into the Danube during WWII. It's a somber but important site for reflection.

Visit St. Stephen's Basilica, a grand neo-classical church dedicated to Hungary's first king. Marvel at its magnificent dome and richly decorated interior. For a stunning view of Budapest, take the elevator or climb the stairs to the panoramic terrace around the dome.

Stroll down Andrássy Avenue, Budapest's most elegant boulevard, a UNESCO World Heritage site. Lined with Neo-Renaissance mansions, high-end shops, and the Hungarian State Opera House, it offers a glimpse into Budapest's opulent past. It's perfect for a leisurely walk, hand-in-hand.

Admire the stunning Neo-Renaissance architecture of the Hungarian State Opera House. If you have time and interest, consider taking a guided tour of the lavish interiors or, even better, catching a performance in the evening for a truly grand cultural experience.

Begin your day at the lively Central Market Hall, a beautiful 19th-century building. Explore its three floors filled with fresh produce, Hungarian delicacies like paprika and salami, souvenirs, and food stalls. It’s a fantastic place to sample local flavors and soak in the vibrant atmosphere. Grab some traditional Hungarian snacks for breakfast or lunch.

After the market, embark on a hike up Gellért Hill. At the summit, you'll find the Citadel and the Liberty Statue, offering unparalleled panoramic views of the entire city, the Danube, and both Buda and Pest. It's an invigorating climb with a magnificent reward, especially picturesque during sunset.

Visit the Great Synagogue, the largest synagogue in Europe and the second-largest in the world. Its stunning Moorish Revival architecture is captivating both inside and out. Explore the synagogue, the Jewish Museum, and the beautiful Raoul Wallenberg Memorial Park.

As evening falls, immerse yourselves in Budapest's unique ruin bar culture in the Jewish Quarter. Start with a drink at Szimpla Kert, the original ruin bar, and then explore others in the area. These quirky, artistic venues, set in abandoned buildings, offer a vibrant and unforgettable nightlife experience. Perfect for a fun, casual evening out.

Spend a relaxed morning on Margaret Island, a beautiful car-free oasis in the middle of the Danube. Rent a tandem bicycle, stroll through the Japanese Garden, visit the musical fountain, or simply enjoy the peaceful park surroundings. It's a lovely way to unwind before your departure.

If you have time and an interest in Hungarian history, visit the Hungarian National Museum. It offers a comprehensive overview of the country's history from ancient times to the present day, with impressive collections and artifacts.

Enjoy a final traditional Hungarian coffee and pastry, or a delicious farewell lunch at a charming cafe in the city center. Reflect on your incredible journey through Central Europe before heading to the airport for your departure.