A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

The only museum with its curator—and her pets—buried inside.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A remarkable medieval structure born from a 14th-century disaster.

A church filled with the bones of hundreds of virgins martyrs—or so they say.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The world's oldest bookshop still in operation.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

One of the shortest streets in York has an especially odd name.

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

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Macabre astrological automaton clock dating to the late 1400s.

The celebrated eyesore created by starry-eyed sweethearts.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The cedar tree in Highgate Cemetery earned its title by accident.

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

Legend holds eating just one of these black eggs can add seven years to one's life.

An abandoned giant glass dome sits in the bay in “the Venice of the East.”

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.