Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

A commemorative plaque at the door pays tribute to an "American Patriot" known for his betrayal.

Hidden beneath the streets of London is a secret subway that only carried mail.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This sculpture encompasses the emotion of rail travel.

A memorial for public executions that dates back to the 14th century.

A series of stained glass artworks that depict images of the hit TV show.

The unpredictability of this pendulum's movements has drawn visitors to this magnificent church for decades.

A brother statue swap has adorned this building's facade for centuries.

These two K-9 memorials commemorate the sister cities of Edinburgh and San Diego.

A sculpture of a famous ape who was once a beloved household name in London.

A classically inspired temple in Redwood City.

In 1998, Larry Page and Sergey Brin briefly ran their fledgling company from this Silicon Valley garage.

Thirteen pastel palaces in downtown Charleston add a gorgeous splash of color to the city.

A working model of a pressure-driven, high-speed rail whizzes around a private vineyard.

The first mural ever dedicated to the women of the Black Panther Party.

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

A pier that used to act as a busy ferry dock is now a decaying favorite of local fisherman and urban artists.

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

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

An vast warehouse of everyday treasures in Berkeley, CA.

A private home built to resemble the shape of a microscopic creature.

A tribute to the artist and activist who created the rainbow pride flag.

A speck of nature and art in one of San Francisco’s most notorious neighborhoods.