What are three of buildings or structures?

Three examples of buildings or structures include:

1. Burj Khalifa: Located in Dubai, United Arab Emirates, the Burj Khalifa is the tallest building in the world, standing at 828 meters. It offers breathtaking views of the city from its observation decks.

2. Colosseum: Situated in Rome, Italy, the Colosseum is an iconic amphitheater dating back to the 1st century AD. It was used for gladiatorial contests, public spectacles, and other events, and remains a significant historical landmark.

3. The Great Wall of China: One of the most iconic structures in the world, the Great Wall of China is a series of stone fortifications that were built over several centuries and stretch for approximately 21,196 kilometers across northern China.