Massive crater in central Oregon.

Their motto is, "We've been bonkers for hats even longer than you have!"

A collection of colorful dinosaurs hidden in an actual rainforest.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

A haunted hot springs hotel that went from healing retreat to asylum before it was restored.

Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Only known mainland rookery of the threatened Stellar sea lion.

The longest continuous lava tube in Oregon.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

This lake in the Cascades lives up to its name, disappearing down a hole every spring.

This charmingly homemade amusement park has been growing for 40 years.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Private collection of art inspired by cabinets of curiosity.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

This frequently-photographed waterfall takes only a short hike to visit.

Hollowed out cedar log tubs set in an ancient towering forest.

A beautiful 62-acre Catholic shrine and botanical garden.

On the Oregon coast there is a natural hole that seems to be draining the sea.