One of London's lost rivers runs through a pipe over the tracks of this subway station.

You can spot this teeny tiny stained-glass window from the Bonifacius bridge.

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

A piece of stonework relief commemorates the site where the Devil's rage, and odd apparel, destroyed a house.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.

The compass on its front was a handy tool for 17th-century merchants who needed to know the direction of the wind.

A beer pipeline runs beneath Bruges.

Climb inside an iron crystal magnified 165 billion times its normal size.

Theme park featuring miniature replicas of European monuments.

The birthplace of the titular coat and related products celebrates its claim to fame with a statue of a coat.

A maze of crosses marks the jumbled divide between the Netherlands and Belgium.

What looks like an ordinary house from the outside is actually a rotating sculpture.

The castle still holds traces of the abandoned Roman fort it was built atop.

This pedestrian walkway cuts through a cemetery and over several burial vaults.

A musical composition 1000 years in length plays at the Trinity Buoy Wharf in London.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The arching stretch of London's longest street holds many reminders of the area's maritime past.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Murals of the wild parties once held on the frozen River Thames.

The last remaining example of the boatmen's perches that once dotted the south bank of the Thames.

The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

Buried for centuries, this hidden cellar is all that remains of London's medieval Whitefriars Monastery.

Hear the quietest sound from across the dome.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.