The site of Paul Revere's historic two lantern warning.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

What was once a true peninsula has now been filled in, causing the water to recede and leaving many streetside "waterfronts" and landlocked "islands."

Remants of foundations, streets, and streetcar tracks inhabit the cliffs where a landslide occurred in 1929.

A second generation sun-powered marvel lights up the night.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

An historic and oft-filmed spot for musclebound iron pumpers on the Pacific coast.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

One of the world's longest murals depicts the history of diversity in Los Angeles.

Making Ice Cream Hip Since 2008.

Some of the most unusual (and in some cases, disgusting) flavors of soda imaginable.

A Masterpiece with a Tragic History.

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

World-famous, Pink's still manages to keep its prized cult fetish status.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Every fall this lake mysteriously drains, like a bathtub with the plug pulled out.

Few other hotels can rival the grandeur of the Castle in the Rockies.

A mysterious taxidermy man-beast of the seven seas.

Three hundred years of preserved Spanish colonial history in San Antonio.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

Scale replica of China's ancient terracotta tomb warriors and Forbidden City are the side project of an eccentric millionaire.

Beer lover's can-covered house.