On a former island, this old fortification once used to protect the Boston Area and started Edgar Allan Poe in his military career.

This iconic hilltop church doubled as a lighthouse in the 19th century, guiding ships into the port of Valparaíso.

The world's only managed flock of mute swans was established as a factory for monk meat but is now an adorable sanctuary.

This tiny town features a tiny town that acts as a 3D snapshot of the town during the 1950's.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

Museum about life, death, and cannibalism in the Stone Age.

A subterranean playground in an abandoned slate mine.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

A metal tree emits eerie, melodic notes on top of Lancashire's Crown Point.

Spend the night in this formerly abandoned traditional Scottish village.

400-year-old garden, restored to beauty.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The final resting place to 300 Victorian-era pets hides inside the city park.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

A collection dedicated to the treatment of disease, held in London's oldest hospital.

This wrecked airplane has been sitting on a black sand beach since the 1970s.