Night Elfs offer many rare vanity items  and a few pieces of gear as well.  Dig sites can be found in Kalimdor, Eastern Kingdoms, and Northrend. this is one of the four races you can Survey when first skill up Archaeology. (Surveying gives skill up until 100.)

Notably, many level 85 healers can benefit from Tyrande’s Favorite Doll at least as an entry trinket for level 85 content.

Below are WoW Dig Site Articles, separate pages dedicated to each listed Artifact.
Artifact	Notes	Skill
Tyrande’s Favorite Doll	Level 85 Caster Trinket	450+
Bones of Transformation		450+
Druid and Priest Statue Set		150+
Kaldorei Wind Chimes		250+
Highborne Soul Mirror		150+
Queen Azshara’s Dressing Gown	Level 51 Cloth Chest	150+
Wisp Amulet		450+

Below are Night Elf Common items with Wowhead links.

Common Artifact Links:
Scandalous Silk Nightgown
Highborne Pyxis
Green Dragon Ring
Inlaid Ivory Comb
Coin from Eldre’Thalas
Cloak Clasp with Antlers
Shattered Glaive
Kaldorei Amphora
Hairpin of Silver and Malachite
Delicate Music Box
Chest of Tiny Glass Animals
Cracked Crystal Vial
Silver Scroll Case
Scepter of Xavius
String of Small Pink Pearls
Umbra Crescent
Necklace with Elune Pendant
Carcanet of the Hundred Magi