The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

The first declared National Monument in the United States.

Jail from the 19th century that was built by inmates.

Home to the deepest rift anywhere on Earth.

A sculpture of a salmon swimming through a brick building.

This public art piece proves that in Portland even reporting the weather is a thing of whimsy.

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

This perfectly preserved Chinese medicine shop was untouched for decades before being reopened as a museum.

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

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

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

The magic's in the hole!

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

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

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

This giant green head remembers one of America's jazz giants.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

This historic cliffside mansion uses a natural cave for air conditioning.

European castle ruins in an American state park are actually the product of death and grief.

This historic hotel invented the chocolate brownie.

A monument to the art of slicing people open.

Home with Gothic windows featured in a famous painting.