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

Blitzkrieg bop your way through Berlin's Ramones Museum.

A wunderkammer of mysterious objects and stories.

With its mine closed, this old village is starting to resemble a ghost town.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

A star-shaped fortress town fort built in the geometric model of the Renaissance utopian city.

What started as a tongue-in-cheek shrine is now a full-blown museum celebrating "The Hoff" and his longtime love affair with Berlin.

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

This classic restaurant features a gorgeous mirror-clad room.

A surreal museum of extraordinary industrial objects.

A slice of central Asia in the middle of Berlin.

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

An eerie, derelict amusement park in Berlin.

Space-age monument to an early 20th-century uprising.

A small collection of magic tricks and memorabilia is now an apartment-sized museum.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Friction between grains of sand cause a curious "singing" sound.

A collection of full-size movie monsters opened to the public.

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

Museum dedicated to awful artwork.

A beautiful Victorian-era cemetery, complete with a miniature village.

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.

This Boston medical museum features the skull of the famous medical case of Phineas Gage.

The only structure left with direct ties to the Salem witchcraft trials of 1692.