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

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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.

Stunning Roman aqueduct used for 1900 years and still standing.

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

What happens here stays here – unless it affects the whole world.

This curved Manhattan building was built to house the opulence of John D. Rockefeller's oil empire.

More gold than anywhere else, ever.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

This brightly made over hotel hides decades of suicide, serial killers, and mysterious deaths.

The beautiful 1920 Pantages Theatre remains hidden just underneath the LA Downtown Jewelry Exchange.

A faux European lane smack dab in downtown L.A.

This opulent hotel has been visited by Spider-Man, Charlie's Angels, and the Ghostbusters.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

The legendary building that needed ghostly approval before being built.

Twin Peaks' real life Double R Diner has been restored to its damn fine television look.

Stroll through a wonderland of stupendous moss-covered trees.

Shoreline strewn with the remains of ghostly fallen trees.

The highest point in Washington state is a volcano covered in glaciers.