“The Only In Guides help passionate travellers uncover the hidden treasures of a city, sending them home with indelible memories.”

—Timeless Travels magazine

Often overlooked by visitors, Cologne is a fascinating city just waiting to be explored. Discover more than 80 unusual locations with this explorer’s guide to Germany's most historic city. Roman ruins and religious relics, forgotten fortresses and abandoned cemeteries, industrial relics and historic hotels. Where did the Red Baron learn to fly? Is there really a chandelier in the sewers? Where is Europe’s first art hotel? Descend into the city’s crypts, marvel at the cathedral’s curiosities, and smell the city’s famous perfume. The author also visits a mustard museum, samples Cologne’s famous Kölsch beer, and goes in search of wartime bunkers.