The story behind the Taj Mahal makes it that little bit more exciting. You can see the white silhouette of the building as you enter through the gate due to it's vast size, even above the heads of all the people visiting. A genuinely must-see wonder.
Get there early to avoid the masses of people.
Don't carry a drone in your bag - we needed to put ours away as it was alerted by security at bag checks and was not allowed in.