A Roman-style column in Oregon hides a spiral staircase inside.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

Some 2,000 carvings show this rare desert spring has been an oasis for travelers for over a thousand years.

Jule Körner's house full of bizarre architectural details.

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

The Midwestern United States' tribute to Michelangelo is a foam statue sprayed with gaudy gold paint.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The world-record holder for the longest bridge stretching continuously over water.

A scrap-metal sculpture recalls an infamous 19th-century camel.

This restaurant proudly displays bread signed by the 39th president.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

A massive sea stack famous for its appearance in The Goonies.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Where Nor'easters go to die.

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

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

100-year-old shipwreck you can walk up to at low tide.

The symbol was surreptitiously built into the river bank by German prisoners of war.

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

A statue in the Texas town that proudly calls itself the killer bee capital of the world.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.