A wellspring of creativity in an already artsy East London neighborhood.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

The ritual has been performed uninterrupted for nearly 700 years.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

London's largest outsider art museum.

Dictionary Johnson’s favorite feline.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

The world's first motorway was used as a racetrack until the late 1990s.

Antique frame collection with 2,400 frames.

The site of good faith and good nature in the fictional world of Kcymaerxthaere.

These brass bunnies honor the rabbits that dominated the no-man's-land around the Berlin Wall.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

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

An unassuming music museum recounts the rags to riches story of a dramatic Portuguese genre.

A system of constructed rapids and concrete waterfalls in a linear park on the Slepnya River.

The best place in the world to buy tinned fish.

This letter written by Queen Elizabeth II in 1986 won't be opened until 2085.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Portugal's National Pantheon has a history of curses, collapses and financial problems.

A garden in Lisbon filled with giant porcelain creatures.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.