This coastal rock formation resembles a churning cauldron at high tide.

Only known mainland rookery of the threatened Stellar sea lion.

According to legend, this rock represents a young girl trapped by an evil ocean spirit.

A collection of colorful dinosaurs hidden in an actual rainforest.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

A vertically floating hemlock controls the waves and weather at Crater Lake.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This natural marble cave is one of only five national monuments in Oregon.