After traveling the world, the last remaining fully-rigged three masted iron-hulled cargo ship in the world found its home in New York.

Visit the birthplace of Charles Lutwidge Dodgson, better known as Lewis Carroll, poet and author of 'Alice's Adventures in Wonderland.'

This whimsical stacked cabin looks like something out of a children's book.

One of London's lost rivers runs through a pipe over the tracks of this subway station.

A storied London perfume shop that supplies scents for royalty has been operating out of this storefront for nearly 300 years.

Explore a wealth of fossils in one of the most prolific dig sites in North America.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

A decommissioned tube carriage within a London museum hosts a regular pop-up supper club.

This monument claims to display the first pot used to cook a famed Southern stew.

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

This collection is the largest in the world dedicated to Sherlock Holmes and Sir Arthur Conan Doyle.

The resolution to a case that had gone cold for 120 years, found on an old piece of wood.

Where one of America's greatest songwriters lived before he was Bob Dylan.

The eerie remains of one of Ireland's oldest castles, said to be haunted by the ghost of a woman who brings ill fate.

The remains of a once-famous hotel that also acted as an artist colony.

This urban oasis is a marvelous meld of music and landscape architecture.

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Its columns were all carved from the same white oak tree.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.