Some of my favorite LOTR art I've found

Sauron as Gorthaur the cruel in the first age 

Morgoth and Hurin 

The destruction of Sauron 

The Nazgul and Barad Dur

Sauron kills Gil Galad

Lord Elrond

Sauron and the kings of men 

Sauron at Barad Dur 

The future Nazgul 

Sauron in Numenor with Ar Pharazon 

Sauron depicted by JRR Tolkien 

Sauron 

Tipsy King Thranduil 

Legolas and his father 

The council of Elrond 

Gandalf and frodo 

Funeral of boromir

The shire

Sauron's palantir 

Durin's bane 

Another picture of the shire 

The bearers of the 3 elven rings 

Gandalf and the witch king of angmar

Sauron with the palantir 

Gollum with Sam, frodo and prince faramir 

The dead marshes 

Shelob

Climbing mount doom with Barad Dur in the distance 

The eagles arrive at mount doom 

Frodo leaves for valinor 

Elrond and Elros 

Elrond and elros with the sons of feanor 

Dior and Nimloth with their children 

Nerdanel with a bust of Feanor 

The death of Isildur