This vast collection of smoking pipes from across the world spans centuries.

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

Europe's official "zero-level," the equator of elevation.

This cheese shop also houses a museum devoted to Dutch dairy.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

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

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

The largest flower auction house in the world.

Museum preserving torture methods from the past.

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

Hawai'i Volcanoes National Park is home to one of Polynesia’s largest petroglyph fields.

Two copies of a rejected Victorian-era lamp design still stand along the Thames River.

Inspired by the Rialto Bridge in Venice, these three clustered bridges were just one part of a Slovenian architect’s grand vision.

This bronze statue honors one of the leaders of the suffragette movement in the United Kingdom.

The longest cutting on the M62 contains some surprises—though it's best to leave the motorway to appreciate them.

Over several decades, one of London’s most iconic city gates was dismantled, moved out of the city, and then moved back.

Visit the remains of a notorious Victorian-era correctional facility.

Despite being 30 miles from the coast, this suburb is home to a lighthouse thanks to a permitting loophole.

These rose marble urinals are the most luxurious loos in Liverpool.

This hand-painted advertisement is a literal sign of encouragement, however unintentional.

This small hill features the most notable collection of petroglyphs in Saguaro National Park.

A less famous, short-lived meeting spot of the Inklings.

Historic harpsichords, clavichords, organs, pianos, and more inside a deconsecrated church.