Bumpass Hell

Geothermal field with hot springs, fumaroles, mud pots. Visually the most impressive geothermal area near Lassen volcano.
Port Orford Cedar near Hiouchi
The tallest known Port Orford Cedar (Chamaecyparis lawsoniana), 81.08 m tall, discovered in 2009. Diameter of the trunk is 280.4 cm.
Sugar Pine at Sierra Nevada mountains
Tallest known sugar pine (Pinus lambertiana), 83.5 m tall, discovered in 2015.
Sycamore in Santa Barbara (Sister Witness Tree)
Enormous sycamore (Platanus racemosa) with a circumference of 15.9 m, 28.65 m height.
The Chandelier Tree

Enormous coast redwood (Sequoia sempervirens (D. Don) Endl.) with large 1.83 x 2.64 m hole carved in the 1930s – car can drive through it. Height of the tree – 84 m.
Methuselah tree

Great Basin bristlecone pine (Pinus longaeva D.K.Bailey). The oldest announced individual tree in world, 4,851 years old. It is highly possible that in the grove are older trees – there is reported a tree “Prometheus” that is 4900 years old (in Nevada, Wheeler Peak) and rumoured another one that is 5069 years old (in 2019).
Lost Monarch

One of the largest coast redwoods (Sequoia sempervirens) in the world. Volume 1,206 m³. Height 97.84 m, circumference 24.13 m (includes multiple trunks).
Lake Tahoe Monster – Tessie

Many times in this lake has been sighted 3 – 25 m long serpent-like monster.
Devil’s Canyon Colossus
The largest incense-cedar (Calocedrus decurrens ((Torrey) Florin), volume 223 m3. 46.3 m high, circumference 11.7 m.
Waterwheel Falls

The largest waterfall on Tuolumne River. This waterfall has a "waterwheel" effect where the water hits the rock and is thrown up backwards. Some 110 m tall.