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

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

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

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

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

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

The beams of the New College, Oxford dining hall come with an amazing story.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

Used as an example in one of the first dictionary entries for "museum" in 1706.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Taxidermied animals galore, by appointment only.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

The walls and streets of the ancient city are peppered with penises.

Ancient snack bar of the Roman Empire re-opened.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

An ancient octagonal weather station named for the eight Greek gods of wind.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

Where commuters walk through remnants of an ancient Greek necropolis.

150 or so scrounged-up lamps, chandeliers, and lanterns light up this alley in central Athens.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.