One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

A unique seaside cave where Aleister Crowley faked his own death.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

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

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

A historic observatory precariously perched at the "Top of Europe."

Created in 1972, the famous sculptor's intricately detailed monument to San Francisco is overflowing with city landmarks.

A ruined hotel with an unlucky history and an eerie present.

This 24-acre park offers a place for meditation in the midst of Sedona's iconic red rocks.

A spiritual vortex among the red rocks in Sedona.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

Originally conceived as part of a proposed Arizona State Capitol building in the 1950s, this structure built in 2004 stands as a monument to the architect's legacy.

This striking public art installation is suspended above a public park, designed to gently move in the breeze.

A former department store turned into a quirky restaurant.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

This residential door allows San Francisco muggles a glimpse at the wizarding world.

Famously misunderstood wonder of the ancient world

There’s a hidden military meme engraved on the World War II Memorial.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Perhaps the most scandalous statue of America's first president.

Where the polar bear watches over everything, and every drink is a double.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.