Europe's largest dinosaur museum was founded by a passionate autodidact.

A 13th-century Swiss castle houses a collection of artifacts from the Polish diaspora.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

One of the most easily accessible examples of the rare 1960s UFO houses.

Go surfing on this urban wave, "hacked" by local surfers.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

This giant glowing "beanpole" adds much-needed pops of color to an otherwise drab power plant.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

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

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

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

Where Nor'easters go to die.

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

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.