This Italianate Villa-style castle is pretty to look at, just keep off the private property.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

This giant green head remembers one of America's jazz giants.

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.

The world's oldest and largest museum of mass transit vehicles.

Its unique collection details the history of the state's svelte railroads.

Explore the dark underground corridors of this graffiti-covered former military fortification.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

This 19th century granite fortification is one of the most well preserved forts in New England.

The first bridge observation tower in the U.S. offers one of the best views of Maine.

An unsolved murder victim's grave which may or may not contain her body.

This abandoned prison castle has become an imposing gallery of graffiti art.

The grave of Mary Nasson is shrouded by witchy legends.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

The taxidermied remains of a once-great parrot.

There's an exclusive Beefeaters pub hidden in the Tower of London.

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

A museum wholly devoted to juvenescence.

This one has sailed five times as far as Sir Francis Drake's famous ship.

This small collection of rare books was uniquely locked up for safe keeping.