Some of Idar-Oberstein’s glittering history is on display at the German Museum of Minerals, along with colorful rocks and gems from the region and across the globe.

In Germany’s Eifel region, viewing the power of volcanic forces is as simple as making a visit to the placid city of Mendig. Beneath the surface lies a network of basalt caves carved by human hand from ancient lava flows. The Mendig Lava Caverns make up the largest basalt mine of its kind in the world.

Explore the pre-Hindenburg era that saw German airships help usher in the age of global aviation with a visit to the Zeppelin Museum in Neu-Isenberg.

The Center for Computing History, a 30-minute drive from RAF Mildenhall, contains more than 40,000 items, according to its website. It offers an assortment of hands-on exhibits, vintage computers and nearly 15,000 video games. And that’s just scratching the surface.

Under-the-radar theme park in France offers a full day of amusement for kids and perks for parents as well.

Boulderhalle E4, a climbing gym in the heart of Nuremberg, is a great place to stay active as the weather gets colder. With more than 32,000 square feet of intricate walls, it’s one of the largest bouldering centers in Germany.

The Henkerhaus, or hangman’s house, offers visitors glimpses into one of medieval and Renaissance Europe’s darkest professions. It was home to the municipal executioner until 1806.

Hidden adventure lurks in Southwestern Germany’s Palatinate Forest. The town of Ludwigswinkel is the gateway to a hike with a fascinating blend of history, nature and outdoor relaxation.

The French village of Betschdorf, which has been producing its signature salt-glazed, gray-and-blue pottery for hundreds of years, is a great destination if you’re curious about how the pottery is made and want to pick up a few pieces while there are still artisans around to create them.

The Odenwald Felsenmeer – about an hour drive from Wiesbaden – makes for a challenging hike that combines history and myth.