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

Entering this curiosity shop is like stepping into a mad scientist's lab.

Tiny horses tethered to antique rings are scattered around the city.

Statues of Ramona Quimby, Henry Huggins, and Ribsy the dog in the park where their adventures "really happened."

Portlandia is the second-largest copper repoussé statue in the United States.

One of the world's tallest, oldest, and most disgusting chocolate cascades.

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

A sculpture of a salmon swimming through a brick building.

Instead of fruit, the branches of this tree are brimming with hopes and dreams.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

10,000 flowered plants bloom in the City of Roses.

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

Delightful disarray of found objects and clutter.

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

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.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

Private collection of art inspired by cabinets of curiosity.

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

The magic's in the hole!

A heavenly experience, right here on Terra Firma.

A beautiful 62-acre Catholic shrine and botanical garden.

The seamy, underground secrets of Portland's criminal past.

An emporium for the weird, creepy, rare, and just plain gross.