To celebrate some of the world's most spectacular sights, Lonely Planet has rounded up 120 breath-taking buildings in a new book, Amazing Architecture: A Spotter's Guide. From national treasures to quirky constructions, here's a selection of some of the must-see monuments.

For every brand-name skyscraper, there's an equally interesting building off the beaten path. In fact, some of the most interesting structures require a pilgrimage to a far-flung location—proof that, for these seven projects, the trip is part of the design.

50 Iconic Buildings Around the World You Need to See Before You Die | Architectural Digest The Flatiron Building — New York City, USA

Visit a selection of bold buildings by the Pritzker Prize–winning architect Rem Koolhaas

Exterior view of the London Gherkin | The Gherkin, London | The Gherkin tower | London skyscrapers |

Here are the 10 most famous clock towers in the world.Officially called Elizabeth Tower, Big Ben is the nickname for the great bell of the clock tower at the Palace of Westminster.

Heydar Aliyev Cultural Center, Zaha Hadid aesthetics can be seen clearly and has a lot to say in the name of deconstructivism.

You've probably seen pictures of these famous buildings and structures throughout the world, but nothing compares to seeing them in person. Next time you're in any of these cities, be sure to pay them a visit. You won't be disappointed.

Have you ever noticed that five of the seven wonders of the ancient world are buildings? Why is that? Well, if I had to guess I’d say it’s because people

The construction of high-rise buildings did not commence until the late 1800's but sustained its development well past the turn of the century with the first