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

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

France's most famous cemetery, with some of its most curious tombs.

Tiny horses tethered to antique rings are scattered around the city.

Mary Kelly was last seen here before she was murdered by Jack the Ripper.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A network of concealed passageways lies within a busy London Underground station.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A whimsical menagerie of devils, krampuses, satyrs, and other horned creatures.

Rising 30 feet in the air atop Quarry Hill, the Old Powder House is the oldest stone building in the state of Massachusetts.

Founded by the famed children's book artist, this museum spreads an appreciation of the arts through picture books.

An 80-year-old house built out of newspapers.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

Entering this curiosity shop is like stepping into a mad scientist's lab.

This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

10,000 flowered plants bloom in the City of Roses.