Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

This classic restaurant features a gorgeous mirror-clad room.

Renowned mathematician and physicist Carl Friedrich Gauss once worked at this observatory.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

A miniature model of what will be the world's largest telescope.

A staggering collection of satellite models and actual flight parts.

This fountain tucked away in a park is the focal point of the only "Green Basilica" in Germany.

What appears to be an ordinary bridge is actually a rare aqueduct.

Inside this German disco, visitors can take a literal ride on the dance floor.

A 1:2 billion-scale solar system leads visitors into this German university town.

Home to the world’s oldest seismograph and a four-ton steel ball that makes its own earthquakes.

One of the world's oldest fossil exhibits is on display in a beautiful antique "naturalienkabinett."

A Neolithic celestial calendar standing in a nondescript wheat field.

This 18th-century folly is one of Europe's rare "garden mosques."

The telescope that discovered Neptune.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

The jaw of one of humankind's earliest ancestors on display at an overlooked geology museum.

This outdoor library provides around-the-clock access to around 7,000 books.

A Saxony castle houses one of the largest and most outstanding mineral collections in the world.

A two-inch thick solid brass rod that extends an astounding one kilometer straight into the earth.

Medieval ruins on a tiny island amid a flooded lake offer romantic respite to lovers seeking privacy.

A surprisingly detailed model of one of the most powerful telescopes in the world.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

A historic steam train meanders along one of the most scenic rail routes in Germany's Black Forest.