There is a strange little carving of a person seemingly crushed by a pillar behind the remains of St. Thomas Aquinas.

This old KLM airplane cut into three parts was transformed into an eclectic airport gift shop.

In the days before house numbers, these colorful signs held clues about various buildings' purposes.

The smallest bar in Amsterdam has stayed in the family since 1798.

A pillar is all that remains of a church built to honor a peculiar miracle.

The facade of this bank has changed little over the centuries, including its unique welcome sign.

An ancient passage filled with stalls selling used books, once frequented by Vincent Van Gogh.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

Amsterdam's former hotspot for public executions and dissections.

A statue commemorating 'the greatest inhabitant of Amsterdam of all time.'

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A uniquely preserved neo-Gothic church that is now home to a collection of art and woodcarvings.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

The cutest way to stay safe in traffic.

Atop this former dutch railway office sits an interstellar work of art.

A gigantic teapot sitting on top of a parking garage in the center of Utrecht.

This unattributed sculpture in Amsterdam is hiding in plain sight.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

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

Christ's blood allegedly preserved in a Belgian town.

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.

The last of Amsterdam's original sea level markers remaining in place.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.