A quaint Russian village in the middle of a German metropolis.

One of the largest refracting telescopes in the world, and the first built specifically for studying astrophysics.

A historical observatory still in use by modern astronomers.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

A 12th-century fortress containing some of Berlin's oldest buildings.

Gardens representing parts of Asia, Europe, and the Mid East are tucked away among the Soviet-style buildings in East Berlin.

Once a path for Jewish funeral processions, this unassuming alleyway is rich in local lore.

A remarkable cabinet of curiosities in an art space in the center of Berlin.

Dine at a legendary after-hours joint frequented by David Bowie and Iggy Pop.

A slice of central Asia in the middle of Berlin.

Visitors can explore the role of mysticism throughout the ages inside this interactive museum of magic.

One of the world's heaviest musical instruments towers within a popular urban park.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

The most visited, and possibly most controversial, museum in Germany.

Started as a kitchen garden, now the second largest botanical garden in the world.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

A collection of intricate sculptures so small they have to be seen through a microscope.

A fake Transylvanian castle houses a cathedral of antlers.

Dead weights honor the dead of Portugal's fishing industry.

Perhaps the most spectacular grotto along the Algarve coastline.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.