A solid steel plane designed to catch fire over and over again.

This unattributed sculpture in Amsterdam is hiding in plain sight.

A set of seven houses, each built in a style that represents a European country.

This plaque marks the former home of one of the first women physicians in the Netherlands.

Rejoice at Amsterdam's ‘pop temple,’ a former church reborn as a raucous music venue.

Debatably clever, or just plain honest hotel advertised as "The Worst Hotel in the World."

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Museum preserving torture methods from the past.

A unique work of automotive art calls this shopping center home.

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

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

A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

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

A line number in Amsterdam that will likely never be used again due to its tragic history.

The spectacular history of spectacles on display.

Above the heads of passersby stands a small statue commemorating soldiers from the Boer War.

Tucked in the back of a flower shop, its collection details the fascinating history of the Netherlands's iconic symbol.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

Seven mini rowhouses fill the gap between 54 and 70 Westerstraat.

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

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

A floating cat sanctuary on an Amsterdam canal.

Amsterdam's narrowest house facade is a monument to 17th-century tax evasion.

This historic Amsterdam bar used to accept sailor's monkeys as payment.