This hollow steel globe is the second-largest in the world.

A mini-Stonehenge in the corner of the North Carolina state capitol grounds.

On this spot Lord Kelvin allegedly discovered absolute zero.

Many mysteries surround these objects questioning whether they are cannonballs at all.

Now a memorial to merchant sailors and Titanic victims, this medieval church was destroyed by bombing raids in 1940.

This little-known wall in Southampton stands as one of the most unique and personal monuments to D-Day.

This 700-year-old storehouse was a POW jail, aviation workshop, and Titanic memorial before becoming a brewpub.

A half-mile-long stretch of medieval forts built after a devastating pirate attack persists amid the modern port city.

A memorial marking the original departure point for the two ships carrying the early English settlers to the New World.

These characters from a Robert Louis Stevenson novel stand in an unlikely place.

A copy of an ancient Roman distance marker that indicates the beginning of the Antonine Wall.

This vintage gem is one of the oldest surviving purpose-built movie palaces in Scotland.

This abandoned mausoleum from 1815 sits deep within the forest surrounding Callendar House.

This historic rec center in the heart of Israel is a bastion of peace and togetherness.

These mosaics were created more than half a millennium ago and feature various animals.

This 8-foot Anglo-Saxon cross is a rare surviving example of Mercian craftsmanship.

The oldest floral clock in the world still functions today.

This 15th-century structure had a long, tortuous journey to its current location.

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

This 16th-century house tells the city's history through old artifacts and quirky tales.

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

The ground on which Shakespeare’s initial playhouse once stood.

An ancient healing font dedicated to an 11th-century matriarch was moved to make way for progress.

These once housed the families who decided in 1665 to quarantine themselves to save their neighbours.