This 11th-century castle sits so low you can't see it behind the surrounding buildings.

A surprisingly beautiful abandoned World War II military base in East Greenland.

The Egyptian-inspired last resting place of Lord Kilmorey.

Hidden beneath the streets of London is a secret subway that only carried mail.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A tiny village in Wales claims the name of a noble medieval hound slain for a crime he didn't commit.

An avant-garde artist is survived by his seaside garden.

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

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

The longest and tallest aqueduct in Britain can actually be sailed across.

This historic Benedictine monastery brews a booze so toxic that it has often been blamed almost singularly for Scottish hooliganism.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

Huge winged monument in the United Kingdom.

It is against the law to obstruct the view from the top of this English burial mound.

A ruined castle has more than its fair share of legends and ghost stories.

A six-ton wedding present for the King of the Scots.

One of England's most famous churches hides a pair of little known architectural treasures.

A hundred copies of Antony Gormley's naked body stare out across the water.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

The Liverpool street made famous by the Beatles is real.

Regency-era excess on the English Coast.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.