A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A open air theatre built on a cliff by an eccentric British woman.

Tubing through a cave lit with glowworms is a magical underground experience.

A massive volcanic plug is now a protected area that hosts a number of bird species.

Quite simply the largest tree in the world (by volume).

This bridge was constructed from the rubble of the infamous Bastille.

The most famous location in China was home to whole dynasties worth of imperial rulers.

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

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Scattered throughout London are ancient remnants of the city's former bounding wall.

A monument celebrating the idea of reaching inaccessible places.

Go inside to really appreciate this 500-year-old technological masterpiece.

Elevated freight railway turned wildly successful urban park.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

This massive underground salt mine now holds a sci-fi theme park in its depths.

The Natural History Museum that time forgot.

A seemingly endless landscape of pure salt stretches far across Bolivia.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.