Simple:
* The embassy hosted a reception for the visiting dignitaries.
* She applied for a visa at the embassy.
More Complex:
* The embassy staff were working diligently to evacuate citizens before the storm hit.
* The protesters gathered outside the embassy to voice their concerns about the government's policies.
* He was granted asylum by the embassy and flew to a new country.
Figurative:
* The embassy of hope remained strong despite the difficult circumstances.
* The company's new marketing campaign felt like an embassy for the brand, showcasing all its best features.