The key to turning shifting dunes into the green oasis of Golden Gate Park.

The remains of a ruined mansion memorialize the 1906 earthquake.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.

Olfactory delights in San Francisco's Botanical Gardens.

Golden Gate Park's historic collection of plants.

The taxidermied remains of the "last wild grizzly bear in California" and of the symbol of the state of California.

A garden oasis filled with flowers mentioned in the works of William Shakespeare.

A restored 1920s cascade stairway provides one of the best views of Oakland's Lake Merritt.

A deteriorating 1990s Girl Scout camp in a beautiful lush park on Lake Ontario.

A giant roll of mints marks the birthplace of one of America's most famous candy brands.

Three gardens with toilets and urinals filled with bright flowers started as a protest against zoning rules.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

This permanent exhibition of commercial signs aims to preserve the cultural heritage of the city.

The third-largest island in Canada is one of the remotest places on Earth.

A Cold War atomic camp buried under the ice is now emerging because of global warming.

A hamlet full of permanent Christmas spirit holds one of the earliest theme parks in the United States.

A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.

This oversize piece of novelty cookware once cooked the largest pancake in the world.

A quaint village in Western New York named after Alexander Hamilton's beloved sister-in-law.

A field in which God and his son Jesus purportedly appeared to a young farm boy named Joseph Smith.

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

The home, museum, and death site of Kodak's influential founder.