The tomb of Increase Mather and his son Cotton, influential colonial ministers obsessed with the occult.

This ambitious father and son team reigned supreme over the North End, and witches, for many years.

No one messes with the Massachusetts sacred cod, not this time...

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

One of the now-less-hidden floral gems of the "Emerald Necklace."

Radical Bookstore and Community Space.

The Boston square dedicated to the dark poet who was born nearby.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

Tiny memorials honor individual victims of the Holocaust.

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

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

A wunderkammer of mysterious objects and stories.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

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

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Art and a pun, all in one.

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

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

An eerie, derelict amusement park in Berlin.

A progressive LGBTQ hub offers dancing, HIV testing, art, and more.

Why walk on this historical site when you can zoom down instead?

This working replica of the 'Friends' coffee shop is more accurate to the show than the set itself.

The most famous location in China was home to whole dynasties worth of imperial rulers.