One of the ghostly stops along Route 66.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

Finale of "William Tell Overture" can be heard as drivers pass over grooves in the road.

The remnants of a failed socialist commune can still be found just off a California highway.

A water tower shaped like a giant coffee pot looms over a small Swedish village in Central California.

You don't have to be a diplomat to visit the so-called Camp David of the West.

A hardware store Buddha statue installed to deter vandalism wound up attracting Vietnamese immigrants who came to pray.

The newsstand that never closes its doors—well, almost never.

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

This mysterious, medieval cathedral remains unbuilt but fiercely protected.

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

A flooded Mexican cave that hides a river beneath the water.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The second building of its name to occupy this location might be the finest flatiron building in San Francisco.

This delicate museum is devoted to the art and industry that once supported Cape Cod's oldest town.

The world's largest piece of copyrighted artwork.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The randomness of this wall of lava lamps helps encrypt up to 10 percent of the internet.

Many of the murals covering this sleepy Florida town hide some sort of intentional error.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.