This statue honors the thousands of Allied avians that served and died for France during World War I.

Tables of secondhand books fill the inner courtyard of this 17th-century stock exchange.

This triumphal arch celebrating the Sun King's conquest of Lille is a masterpiece of military architecture.

A restaurant modeled after feudal Japan, where the waitstaff are trained as ninjas.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

In 806, Kobo Daishi began meditating on Mount Misen. The Buddhist monk lit this holy fire, which has been kept burning for 1,200 years.

This Japanese national treasure was originally built in 593.

Museum covers every step of the chocolate-making process, from cultivation to the finished product.

Where George Lemaître discovered the expanding nature of the universe.

Known as "The Spewer," this bizarre fountain has an even stranger urban legend behind it.

This cannonball has been lodged in the church wall since a 1695 bombardment destroyed the city center.

A pilgrimage site where people ask Saint Dymphna to watch over those who are not of sound mind.

This Belgian palace was long the domain of priests and aristocrats but is now being turned into an art commune.

This collection of solar timekeepers includes the world's first digital sundial.

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

This non-profit theatre in the heart of Brussels is dedicated to hosting independent films.

A Museum of Psychiatry in a still-operating mental institution.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Meet the bronze beloved pet to a family of famous peeing statues.

Named after a lodging site that existed nearby, a bridge has existed at this location since 1455.

An ordinary lamppost situated in the middle of Cambridge has an unusual moniker and history.

A complicated contraption for telling time by the moon.

An extraordinary library and archive dedicated to the history of the Arctic and Antarctic poles.

One of several Lilliputian portals that are ready to transport passengers to other dimensions, if they can find them.