The Obelisk
Map: Temple of Horus
Prize: Krater of Might

Smash the obelisk that describes the Eye of Horus. Funny thing is, you can still read it after it's destroyed.

Bust The Anubus Bust
Map: Palace of the Pharaoh
Prizes: Amulet, 2 Red Mana

Destroy the bust of Anubus to open a secret chamber behind it. Watch out, though -- it's guarded!

Below the 3x3 Puzzle
Map: Ancient Temple of Nefertum
Prize: Boots of Speed

Take a break from getting frustrated with this puzzle to drop down off the bridge and look below it. To get back up, break out the cracked wall and follow the passage. You end up with a great view and a chance to admire the beautiful architecture in this game.