In this truly magical place, rent hasn't been raised since the year 1520.

Cold war icon and onetime "hole" in the iron curtain.

The great Danube river starts here.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

The world's first clock to use set theory as a measure of time required the invention of a new light bulb just to maintain its obtuse measurements.

One of downtown Berlin's last reminders of its Communist past.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

This unique Renaissance castle was turned into a home for Nazi occultism.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Berlin's old airport.

Between Neo-Pagans and Neo-Nazis, these strange rock formations have a curious cult following and a very strange history.

This historic stone bridge has an entire neighborhood clinging to its sides.

This "floating railway" is one of the world's oldest monorail systems.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.