Join a city center walking tour with a professional guide and discover historical and contemporary facts about Ulm and Neu Ulm. Visit the historic town hall with the richly ornamented astronomic clock and the extravagant painting of the facade. In keeping with the motto “Medieval Meets Modern”, see several new buildings which have been recently erected in the heart of Ulm. These buildings pay tribute to unique modern architecture and are called the new center of Ulm. Stroll through the charming Fishermen's and Tanners' Quarters – the most historic part of the city center. Its old narrow streets, walk along bridges and jetties, and get a sense of how the city looked during the Middle Ages. See the magnificent Ulm Minster Lutheran Church which has the highest church tower in the world. Admire the beauty of its interior and learn more about its construction from your expert guide.

Explore the picturesque and green city of Freiburg during a wonderful walking tour through the old town. See the famous Freiburger Bächle, the small waterways along the streets and alleys, and the contorted alleys called Gässle, as well as many of the colorful Rheinkiesel-mosaics, which give the city its distinctive atmosphere. Head to Minster Square with its beautiful community centers and secular buildings and see the traditional farmers' market (in the morning) as well as many cafés and pubs called Beizen. Start your tour at the town hall square, where your guide will be waiting for you. From the beginning, you will see this square boasts numerous historic buildings. From there, continue across the Kaiser-Joseph-Street, the former grand boulevard of medieval Freiburg, and head towards the Freiburg Minster, the cultural center of the historical old town and an exceptional example of medieval Gothic. Discover the bizarrely shaped gargoyles, the delicate steeple, and the colorful farmers' market on Minster Square. Explore some of the historic sights around the impressive cathedral. See the historic department store, the Alte Wache, the Haus zum schönen Eck and many more. Continue along the Konviktstraßen, one of the most beautiful alleys in Freiburg, until you get to the Handwerkerviertel.

Take a tour of Freiburg with the unofficial queen of the city, Betty BBQ. The well-known Black Forest drag queen will guide you through the city and show you that Freiburg is much more than just the famous Freiburg Minster. During the walking tour, listen to funny anecdotes from Betty BBQ's exciting life and hear the latest city gossip. As you walk, let Betty BBQ take you through Freiburg's history and into its dazzling present.

Look behind the scenes of Heidelberg! If you want to discover the exciting, romantic, funny and always entertaining stories Heidelberg has to offer, join this guided tour of the old town and learn more from the qualified guides. Enchanting alleys and squares, small gardens that pop up unexpectedly, museums and galleries: Heidelberg’s old town has many facets. This tour will breathe life into the city’s past, adding rich detail to the contours of today’s city. Whether it is the Church of the Holy Spirit, the Jesuitenviertel, Germany’s oldest university with its Students’ Prison, or other sightseeing attractions: every place of interest in the old town has a unique ambiance and history well worth immersing yourself in for a few minutes. The tour also passes along the main street, one of the longest pedestrian zones in Europe. Many detours into the alleyways of the old town confirm the truth of the old saying “you only truly learn about the countryside by taking the back roads.”

Climb on board a double-decker bus for a tour of all of Cologne's essential spots. Use this hop-on hop-off ticket to get off the bus at any of its 14 stops to see sights like the Cathedral, Zoo, old town, and Chlodwigplatz. Get on the bus and get ready to explore the city. Head up to the top deck, or stay down below as the bus cruises through the streets of Cologne. Listen to informative commentary as the bus tours around the scenic city. Come and go from the bus as you please, with a choice of 14 stops to enter or exit. Explore the city at your leisure without having to plan to a timetable, allowing you to be spontaneous in deciding what to see. Discover the city as you glide past sights like the Cologne Chocolate Museum, the Gürzenich convention center, and the Eigelstein Gate. Encounter the tall Cologne Triangle building, as well as the Odysseum, and Lanxess Arena.

Embark on a city walking tour of Trier and uncover the history behind each turn from your guide. Trace the ancient origins of this city and watch its story unfold around you, from the Roman Porta Nigra to the home of Karl Marx. Meet your guide near the Porta Nigra and start your tour. Built by the Romans as early as 170 AD, the Porta Nigra has become an important city landmark. Learn about Trier's Roman origins and what life was like under Roman rule. Admire architecture from the Middle Ages and see examples of its evolution to the present day. Hear stories and anecdotes of those who made their mark in this historic city, such as the philosopher and revolutionary Karl Marx. See the house where he was born, which is now used as a museum. Let the city tour of Trier take you into a world full of history that still fascinates visitors with its mixture of old and new, elements of antiquity, modernity, and everything in between.

Meet your guide at the tourist information center in the train station for a guided tour of the Constance city center highlights. Learn more about the Council of Constance, the only papal election north of the Alps. Journey back in time and discover the unique history of Constance and its inhabitants over the centuries. Admire the stunning frescoes and paintings on medieval houses throughout the old town and town hall. The tour ends at the buzzing market square where you can experience the lively city center.

Learn all about the lives of those on the outside of society with this interactive historical adventure tour through scenic Heidelberg. Take in the City Hall, Korn Market, and all the key sights as you go. Meet your Night Watchman at Hercules fountain in the Market Square to begin your tour of Heidelberg from below. Hear stories from Medieval history as you pass by the landmarks like the Korn Market Madonna, the Palais Prinz Carl, and the Palais Graimberg. Pause at Karl Square and admire the ruins of the city's old castle. Stroll through old small streets and paths with your guide including Eselspfad, Leyergasse, Semmelgasse, and Steingasse. Stop at the 18th-century Holländer Hof and learn about the fate of those living outside the city walls. Admire the iconic old town bridge as you immerse yourself in old Heidelberg in the company of your Night Watchman.

Discover the castles of the Neckar valley on this riverboat tour from Heidelberg to Neckarsteinach. Relax aboard a comfortable ship with a covered seating area where you can choose your seat. Have the option of choosing a one-way trip or a round-trip cruise. Check in at the activity provider's office and board the spacious ship. Set off through the countryside. Pass under one of the arches of the 18th-century Old Heidelberg Bridge. Admire the ruins of the Renaissance Heidelberg Palace. Set off through the winding waters through the verdant countryside. Capture pictures of the four castles of Neckarsteinach. Look for local wildlife like deer, boar, and birds as you sail through the verdant Neckartal-Odenwald Nature Park. Relax and purchase delicious food and refreshing drinks onboard as you sail along. With your round trip ticket, you can stay in Neckarsteinach to visit the castles or travel back to Heidelberg at any time.

Immerse yourself in the charm of Heidelberg from a new perspective by cruising along the serene waters of the Neckar River. Sit back, relax, and enjoy the views of the Old Bridge as you glide underneath it and take in the view of the famous Heidelberg Castle in the background. Embark on your journey down the Neckar River and take views of some of Heidelberg's most famous sights. Don't forget to quench your thirst or hunger cravings by purchasing a refreshing drink or tasty snack on board as you admire the sights. See the historic of Heidelberg Castle nestled atop a hill and overlooking the old city, as the boat approaches the Old Bridge. Next, admire picturesque views of the grand villas along the Neuenheimer riverbank and don't miss the famous Philosophenweg. As the boat turns around at the Wielblinger Wehrsteg, see the historic town hall on your return journey, before disembarking back at the pier. This trip encapsulates the most significant highlights of Heidelberg, while allowing you to relax aboard ship.