These morbid carvings remind churchgoers of the inevitability of death.

This luxury shopping lane has been protected by its own tiny police force for over a century.

A labyrinth hides in plain sight at each of the city's 270 Tube stations.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

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

An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

Remnants of a Victorian garden feature sitting in public woodland.

This tile-work piece featuring a chicken riding in carriage is both a remarkable artistic creation and a social commentary of politics and culture in 17th-century Portugal.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Grotto replete with mystical designs laid out in glued shell mosaics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Abstract dinosaur models in London.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

Abandoned Roman Catholic chapel abused by Satanists before being restored.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Shakespeare, David Bowie, Dr. Who, the Saxons, Druids and Romans are all claimed to have all made their mark on these massive man made tunnels.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

An ancient hotspot for spotting schools of fish.