Rent out a glass igloo to watch the Northern Lights like you live in the future.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

Natural cathedral designed by Italian artist Giuliano Mauri.

The oldest stone house in Paris was built by its most famous alchemist.

A hidden treasure in London with a rich medieval history, and the resting place of many luminaries.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

An unusual round church in London with a Templar past.

This South London cemetery holds the remains of more than 15,000 people.

The largest of London's subterranean rivers and once a mad, bad center of London life.

A lone pole once used to display a man's corpse now stands empty, but the memory remains.

A modern English garden of eccentric beasts, follies, and oddities.

A well-preserved 2nd century fort where moles are the archaeologists.

This hidden natural fountain issues forth a steady supply of supposedly healing water that tastes like rotten eggs.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

Twice a day this ancient path disappears with the tides, leaving the Holy Island of Lindisfarne out to sea.

The sign at the garden gate reads: "These Plants Can Kill."

Three bridges and one giant canyon make up this fantastic Spanish settlement.

Sacked by Vikings, blessed by William the Conqueror, dealt a fatal blow during the French Revolution—these ruins have seen it all.

The anatomical-pathological collection of a man who changed surgery.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This lovely little burbling creek is actually a deadly waterway that has dragged down everyone who ever set foot in it.