Several bricks indicate the various flood levels this crossing has survived over the centuries.

Soon after its unveiling, this giant inverted globe sparked controversy and was vandalized.

A hidden gem, named after a San Franciscan icon, offers spectacular views of the Pacific Ocean.

Down a pint of ale where the Bishop of Ely's servants slept in 1546.

Long abandoned underground complex to keep royals safe from a nuclear war that never came.

This emblematic representation is said to bring the students good fortune.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Over a decade ago, painted penguins mysteriously appeared around Berwick-upon-Tweed for no apparent reason.

A poignant memorial shows the widows and children left heartbroken by the worst fishing disaster in Scottish history.

One of the smallest parks in San Francisco honors the legacy of the "Mother of Civil Rights in California."

The Florence Nightingale Museum is home to the famous nurse's most treasured possession: her beloved pet owl.

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.

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

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.