This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

Some of England's last cave dwellers lived and worked within this huge cave.

A headstone notes where the most famous of Robin Hood's legendary Merry Men is reportedly buried.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

This oddly placed 15th-century church is one of only six bridge chapels left in England.

The unusual clock on this 18th-century market building has an extra minute hand for "Bristol time."

An 11th-century mountaintop fortress that played a crucial role in Italy's papal wars is now a vacation rental.

A poignant memorial to the 106 coal miners killed in three major accidents in Derbyshire.

The only substantial part of Nazi Germany's formidable defensive line through Northern Italy that survives today, largely intact.

The obelisk honors the cyclist troops who were killed during World War I.

Several land speed world records were shattered at this Welsh beach.

A fitting tribute to a beloved local boxing coach that's produced four world champions.

The tradition of using flowers to decorate wells is once again thriving in England.

The UK's largest private house was the subject of a long-lasting political dispute.

The wreckage of an old coastal trading vessel is only visible at low tide.

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

The link between these two seemingly disparate themes is crucial to the history of this Tuscan hill town.

The world's first military tank was designed in this English city amid the stalemate of WWI trench warfare.

In the right conditions a wall of water up to five feet tall flows upstream against the current on the River Trent.

Local lore holds that Butch Cassidy took an escape route through Red Canyon's sandstone hoodoos after an attempted murder.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

A disastrous D-Day rehearsal was relatively unknown until this sunken tank was discovered 40 years later.

One of England's oldest ongoing games is basically a town-wide scrummage that aims to push a leather tube into a local pub.

This 19th century train workshop is a treasure trove of railroad history.