The cave where two British judges hid in exile after sentencing the king to death.

A parade of antique steeds offers a quirky ride through history.

This stunning Connecticut mansion is actually just a one-room-deep hoax.

Home of Philip Johnson, one of the 20th century's most influential architects.

Panoramic views of the city of New Haven and the Long Island Sound, with a side of history.

The ancient past meets the retro-future at these dinosaur tracks that are protected by a geodesic dome.

The world's largest public collection of PEZ memorabilia.

A famed data visualizer's personal sculpture garden is a landscape of modern and megalithic wonders.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

A hidden path at the National Theatre lets you look behind the scenes of the latest productions.

This bookstore serves recipes from the cookbooks on sale.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

An unusual ode to the late Irish playwright, complete with a squiggly bust and coffin-shaped bench.

This open-air mosaic gallery honoring an English artist took hundreds of volunteers more than seven years to create.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

A mysterious artist-run cabinet of curiosities and library.

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

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Several plaster noses are hidden in plain sight around London's Soho neighborhood.

This 1920s Dutch barge is now a floating bookstore.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.