There are many websites that are considered to have beautiful design, but the concept of "beauty" can be quite subjective. Some of the most popular websites with beautiful designs include:
Apple's website: The company is known for its clean, minimalistic designs, and its website is no exception. Apple's website is often praised for its use of white space and the simplicity of its layout.
Airbnb's website: The Airbnb website is known for its use of large, high-quality images and videos, which help create a sense of immersion and make the website feel more alive. The website design is also clean and easy to navigate.
Dropbox's website: Dropbox's website is known for its use of bold, bright colors and its clean, minimal layout. The website design is also responsive, meaning it looks and works great on a variety of screen sizes and devices.
Medium's website: Medium's website is known for its clean, simple design and easy-to-read typography. The website's use of white space and grid-based layout creates a sense of order and makes content easy to read.
Instagram's website: Instagram's website is known for its use of a clean, minimalistic design and bright color palette. The website's layout is also easy to navigate, making it easy for users to find what they're looking for.
Squarespace: Squarespace is a website builder best known for its beautiful, customizable templates and easy-to-use drag-and-drop interface. Squarespace's designs are modern, clean, and responsive, making them suitable for a wide variety of websites.
Behance: Behance is a social network for creatives known for its beautiful, minimalist design. The website's grid-based layout makes it easy to find and explore the work of different creatives, and the use of white space helps create a sense of calm and order.
Hopper: Hopper is a travel website known for its beautiful design. The website's use of large, high-resolution images and videos helps create a sense of wanderlust, and its use of clean, easy-to-read typography makes it easy to find the information you need.
Canva: Canva is a graphic design website best known for its beautiful, easy-to-use interface. The website's clean, minimalist design makes it easy to create professional-looking graphics, and the wide variety of templates and tools available make it perfect for both novice and professional designers.
Stripe: Stripe is a website that allows for easy payment processing, Stripe's website design is known for its clean, minimalistic style and use of bold, bright colors. The website's layout makes it easy to find the information you need and the clear typography helps to instill a sense of trust and confidence.
It's worth mentioning that some websites don't just focus on design, but functionality, providing a good user experience is also a big part of making a website beautiful.
These are some examples of beautifully designed websites, but again this is a subjective matter, beauty can be very personal, what one person thinks is beautiful and another may not. Ultimately, the most beautiful website design is one that communicates its message effectively and provides a positive user experience.
