Shiny Brutalist box commemorates a pioneer of electricity and houses a railway transformer.

Possibly the oldest church in Barcelona, this basilica has its pagan and Christian mythologies all mixed up.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.

A world of whimsy and wonder aboard a one of a kind historic landmark vessel.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

Just another ancient, mysterious Irish stone circle.

A quirky collection of old chairs fills a random vacant lot in suburban Texas.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A pagan tradition of draping trees with rags eerily lives on.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Glasgow’s piece of the patron saint of love.