This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

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

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.

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

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

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A collection of items from a way of life that no longer exists.

A little sculpture with a large wardrobe.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

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

A giant pineapple, a symbol of hospitality, and an amazing vacation rental option.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

Largest lake in Great Britain measured by surface area.

The heads of two giant mythological water horses honor Scotland's horselord past.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

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

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

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