Enter the world under the hill at this ancient UK burial chamber.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

The world's shortest street was created by an awkwardly placed hotel.

A curious collection of mechanical moving figures.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A book bound in the skin of an infamous criminal, along with countless other specimens.

360° views of the city plus five floors of optical illusions and hands-on science.

The fountain marks the area where hundreds of accused witches were burned at the stake.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

A 18th century graveyard and its astonishing cortege of macabre iconography.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

This series of Scottish caves has no clear purpose other than baffling historians.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

The oldest house in Glasgow is now a museum dedicated to the city's medieval history.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

This collection of historic puppets honors centuries of the craft.