A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The narrowest street in Paris.

Claude Monet was baptized in this lavishly ornate Paris church.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

Despite being considered a thoroughly American sport, basketball's oldest surviving playing field is found in the basement of a Paris YMCA.

Marvel at the opulent Art Nouveau interior while dining on dirt-cheap French classics.

An avant-garde artist is survived by his seaside garden.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

A chaotic collection of coin-operated slot machines designed to delight and disturb in equal measure.

Eyam took steps to quarantine themselves and keep the plague from spreading.

Unusual British home built to disguise a water tower.

The world’s first dedicated cloud observation platform.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

A 13th-century fortified manor house that was once sieged during the English Civil War.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

A seaside town with no sea in sight.

These quintessentially English stepping stones were built for Victorian tourists.

The English town of Mansfield likely got its name from this enigmatic breast-shaped mound rising abruptly from the earth.

This bridge is the first to be made entirely from iron, but designed like it was still made of wood.

This Bronze Age burial mound used to be called "Robin Hood’s Piss-Pot" until it was renamed by spoilsport Victorians.

This Victorian marvel of engineering and artistic prowess is nicknamed the "Cathedral of Steam."

The only medieval bridge in Britain with its defensive tower still in tact.