London's smallest police station is barely the size of a phone booth.

Eighty million natural history specimens call this gargantuan museum home.

A fantastic castle rumored to be the birthplace of King Arthur.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

There are owls with glowing eyes in Herald Square.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

There must be a pun in this haystack somewhere...

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

A bit of retro transportation flair preserved in the world's largest department store.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A dilapidated dock tells the story of Titanic's missed arrival.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

The control tower at the historic weapons range is now available as a highly unusual vacation rental.

This little-known hero has been protecting "The Fens" for close to 400 years, and now from its most powerful challenger yet: climate change.

All that remains of the fishing-vessel-turned-warship is its weathered hull.

Peek inside restored planes at this off-the-beaten-path collection of aviation archaeology.

"The Donut" was built as part of an expensive, ill-fated engineering endeavor.