This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

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

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Near the site where the English Archbishop was born, you can find an emblem in the shape of a pilgrim's badge.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

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

An archway adorned with vulnerable flora and fauna.

A haunting monument dedicated to the Royal Naval Air Service and the Fleet Air Arm.

This ancient Egyptian obelisk still bears the wounds of World War I.

The pretty iron lamp is a reminder of the architecture underneath London's streets.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

People have been making salt here using traditional methods for centuries.

Hike up to this abandoned hotel for one of the best panoramic views of the island of Gozo.

Malta’s largest cemetery is a Victorian-era architectural masterpiece.

These purpose-built WWII air raid shelters, which run half a kilometer under the town of Mellieħa, are among the longest in Malta.

These 19th-century military fortifications spanning the island of Malta now form a nice countryside hiking trail.

These sprawling military housing quarters from the 1960s are now defunct and hidden in plain sight on Malta’s Mediterranean coast.

An 18th-century hunting lodge turned haunted Baroque palace.

See Malta’s history through the recreation of scenes of torture using life-sized mannequins in a former medieval dungeon.

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.