Stage 2 | Roskilde - Nyborg
From the age of the dinosaurs to the age of the mammals
Stage 3 | Vejle-Sonderborg
Borrowed land from the North Sea and rising land after Ice Ages.
Stage 1 | Copenhague - Copenhague
A ride over a prehistoric continent
Stage 4 | Duinkerke - Calais
Borrowed land from the North Sea and rising land after Ice Ages.
Stage 6 | Binche - Longwy
A landscape like a pushed-up sleeve; the terrain where breakaway groups and attackers may be successful.
Stage 7 | Tomblaine - La Super Planche des Belles Filles
The Ring of Fire
Stage 10 | Morzine les Portes du Soleil - Megève
Landslides and the Tour
Stage 13 | Le Bourg d'Oisans - Saint-Étienne
Messinian Salinity Crisis
Stage 20 | Lacapelle-Marival - Rocamadour
A time trial over a limestone plateau with steep canyons creating the exciting end of today’s stage.
Stage 21 | Thoiry - Paris
Enormous fossils of the Lutetian Age in the Paris Basin.
Stage 5 | Lille - Arenberg
Borrowed land from the North Sea and rising land after Ice Ages.
Stage 8 | Dole - Lausanne
France’s youngest mountain range
Stage 9 | Aigle - Châtel
Microcontinent Island Hopping by Bike
Stage 11 | Albertville - Col du Granon
A ride through a former subduction zone.
Stage 12 | Briançon – Alpe d’Huez
Bending, or failure and breaking on Alpe d’Huez
Stage 14 | St. Étienne - Mende
Volcanism of the Massif Central
Stage 15 | Rodez – Carcassonne
Hard rock with element Lithium
Stage 16 | Carcassonne – Foix
The vineyard dinosaur
Stage 17 | Saint Gaudens - Peyragudes
A tour in the earth's molten crust
Stage 18 | Lourdes – Hautacam
The 2006 Hautacam seismic crisis