As an alien stranded on Earth, I have had the opportunity to explore many different cities across the planet. But none have captured my imagination quite like Barcelona. The vibrant energy, stunning architecture, and unique cultural offerings make this city a must-visit for any intergalactic traveler. Whether you’re a first-time visitor or a seasoned explorer, Barcelona has something new and exciting to discover around every corner. So, grab your camera and your space suit, and join me on a journey through the must-see locations in Barcelona for repeat visitors.