Once inside the fort, it felt different than others we had visited. More opulent.

You can read more of the forts history here. In a nutshell:

The aesthetic ambiance of the palace is seen within its walls on a four level layout plan (each with a courtyard) in a well turned out opulent palace complex built with red sandstone and marble consisting of the Diwan-e-Aam or the “Hall of Public Audience”, the Diwan-e-Khas or the “Hall of Private Audience”, the Sheesh Mahal (mirror palace) or Jai Mandir, and the Sukh Niwas where a cool climate is artificially created by winds that blow over the water cascade within the palace. Hence, the Amer Fort is also popularly known as the Amer Palace.^[4] The palace was lived in by the RajputMaharajas and their families. At the entrance to the palace near the fort’s Ganesh Gate, there is also…