A sculpture of a salmon swimming through a brick building.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

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

A collection of colorful dinosaurs hidden in an actual rainforest.

The longest continuous lava tube in Oregon.

Only known mainland rookery of the threatened Stellar sea lion.

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

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 charmingly homemade amusement park has been growing for 40 years.

Private collection of art inspired by cabinets of curiosity.

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

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

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

Moving, mind-blowing metal sculpture work of an outsider artist.

It was originally part of a "terrible lizards" collection at the 1964 New York World’s Fair.

Roses and other fascinating flora fill this garden built to commemorate Britain's immortal Bard.

The first and only museum dedicated to stained glass and horology opened outside of Chicago in 2017.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

The mysterious white squirrels of this Illinois city are treated like sacred cows.

This sprawling mini-golf empire is an impressive testament to a disappearing attraction.

Shop of curiosities with a dinosaur museum tucked in its basement.

A science teacher's dream.