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

One of Europe's oldest libraries.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

This one has sailed five times as far as Sir Francis Drake's famous ship.

A mysterious shape catches the eye in this 16th-century painting.

This bewitching Babylonian goddess haunts a hallway of the British Museum.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

England's largest white horse isn't even white.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Follow the original medieval paths that wind through this intriguing section of the city.

A small island dotted with old, historic Finnish buildings.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

A huge enchanting public park just outside the ancient walls of Rome.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

One of seven Jewish catacombs in Rome and one of only two open to the public.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

2300-year-old Roman road connecting the empire.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

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

Ruins of a German Castle on top of a towering stone pillar.

England's most notorious suicide spot.