Look up from the busy streets to discover how time is kept!

A clock designed to run with perfect accuracy for 10,000 years.

A bronze bust commemorates the heroism of the secret agents who led covert operations against the Nazis.

The breadfruit-adorned final resting place of the infamous Captain of the HMS Bounty.

Pop culture has helped to keep this iconic British building from being destroyed.

The broken skateboards that became a poignant memorial to a murdered skater.

A student driver's nightmare.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

The mysterious large white cross visible from the runway is a memorial to a massacre during Spanish Civil War.

Sculptor Antony Gormley used chaos theory and fractal growth to design his tallest creation.

Repository for more than 22 million pickled specimens.

The monster at the center of the Darwin Center Spirit Collection.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A dramatic art installation features a BMW flying out of a building in Rotterdam.

A bridge that has seen many reiterations over its lifetime.

A remarkable feat of Victorian engineering across the Firth of Forth.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

The site where one of the most famous poems of World War I was composed is preserved to honor the legacy of the work.

A memorial to the nearly 10,000 American soldiers laid to rest on the beaches of Normandy during WWII.

Lumps of significant stone from around the world surround a flaming monument for peace.

The location of the world's first telescope demonstration.

This enormous storm barrier is one of the largest moving structures on Earth, with each arm taller than the Washington Monument.