Physicist’s epitaph provides final confirmation to a career of turmoil.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

The solemn exterior conceals an opulent interior of this 17th century church.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

A silly medieval mural preserved on the side of a Viennese house.

Op-art architecture designed for happiness.

The topiary maze at the Habsburg hunting lodge.

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

A 35-foot-tall fork stuck in the ground outside an office building in Missouri.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

During its heyday, 72 one-ton buckets from this dredge bore into the Powder River excavating vast gold deposits.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

Home of Howard Hughes' Spruce Goose.

The wooden airship was the largest flying boat ever built.

This little slice of the Netherlands in the Pacific Northwest blooms in a rainbow of color each spring.

A rugged lava field dotted with molds of the ancient pines that were growing when the volcano erupted.

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

A vertically floating hemlock controls the waves and weather at Crater Lake.

A tourist attraction founded around a slumping cabin.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

A collection of colorful dinosaurs hidden in an actual rainforest.

The longest continuous lava tube in Oregon.

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