The locals call them ‘Kerry Diamonds’; beautifully clear, euhedral quartz crystals found in fault zones at the western end of the Dingle Peninsula in south-west Ireland – but the real gem is the Peninsula itself!

Admire soaring, fjord-like walls of Mesozoic limestone as you glide through the Strait of Hormuz by dhow, the type of traditional wooden ships that today share this strategic waterway with supertankers and flotillas of Iranian smugglers’ speedboats.

While wandering 240 km across California from Bakersfield to Death Valley, the geotourist can marvel at a range of superlative wonders, from the densest developed oil field to the deepest canyon and the lowest point in the United States.

Strike-slip motion – with a dash of divergence – along the Dead Sea transform fault has created a rugged landscape of arid, cliff-girt plateaus towering above the Dead Sea, the lowest exposed point on Earth.

The largest tar pit in the world, La Brea Pitch Lake in Trinidad, has a fascinating history and awaits approval as a Unesco World Heritage Site – even if it resembles a somewhat neglected car park!

The Atlas Mountains, with their folded sedimentary rocks and thick-skinned faulting, soar above dramatic gorges, lush palm oases, crumbling kasbahs, and the exotic souk in Marrakesh.

Now known as Canada’s Ocean Playground, Nova Scotia is jam packed with geological vistas and has long been recognised by geologists as a showcase of Earth's history.

A group of Australian geologists takes a trip down memory lane through the Flinders Ranges. A stunning and beautiful national landscape region, steeped in rich natural and cultural heritage.

The picturesque Florida Keys are not just a favourite holiday destination, they also offer geoscientists a masterclass on carbonate geology and the sedimentary processes associated with creating carbonate reservoirs.

With an annual average of 1,100 cubic metres of water plunging down its 108m-high face each second, Victoria Falls is unquestionably one of the world’s greatest natural wonders.

A tour of the geological treasures of The Puna Plateau in northern Argentina and Chile. Continuing Olivier and Caroline’s epic cycle journey through South America.

Join as us we stroll through the spectacular city of Kraków, and delve deep into the underground chambers of the Krakow Salt Mines, one of Poland's most iconic and official national Historic Monuments.

Officially recognised as a UNESCO Global Geopark, the Ciletuh-Palabuhanratu Geopark offers a range of geological wonders, many the result of ongoing subduction in Indonesia.

Aspen, Colorado - home to the Rocky Mountains: draws jet-setters from around the globe and presents geologists with a tantalizing geological puzzle to deduce when and why these beautiful mountains arose.

Join us as we take a look at just one of Oman's many geological wonders: Wadi Nakhr, in the Al Hajar Mountains.