A heavenly experience, right here on Terra Firma.

At this airport "microcinema," you can catch a film before you catch a flight.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

An emporium for the weird, creepy, rare, and just plain gross.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Mountain where Jesus was first tempted by the Devil.

Bask in the 19th century grandeur of an eccentric Freemason millionaire's private gardens.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

One of Europe's largest supercomputers is housed inside of a disused chapel.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

One of Antoni Gaudí's least-visited works, an homage to Catalan patrimony that mixes neo-Gothic with Modernista forms.

An early 20th-century bullring converted into a modern shopping center.

Barça football fans might see the insignia hidden in a church window as a divine sign.

A beautiful but toxic fountain of mercury.

This colorful statue welcomes visitors to a Barcelona park.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

One of the most photographed buildings in a city known for its Modernista architecture is an abandoned squat.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Stockholm's narrowest alley is barely over two feet wide.

The library's graceful rotunda is like a bibliophile's temple.

Now a hotel, this former bank was the site of a robbery that spawned a psychological phenomenon.