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

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

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

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

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

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

This enchanting spring, steeped in local lore and a touch of royal history, was said to be the place where newborns were collected, rather than being delivered by storks.

A commemoration of over 150 of St. Louis's favorite sons and daughters.

University City's quirkiest resident lives in a park named after its first.

Delve into the life of Edna St. Vincent Millay, harbor town history, and a quiet seaside garden at this charming library.

A Danish fisherman spent 25 years covering nearly every inch of his home with tens of thousands of shells as a gift to his wife.

This unique architectural wonder is home to luxury apartments.

This risqué sculpture, based on a Hans Christian Andersen fairy tale, caused outrage 35 years after it was erected.

Denmark's famous pseudo-hill.

Positioned outside a church, this sinister folkloric figure incited protests in both 1902 and 2002.

Long before ultrasounds and modern testing, medical specimens like these conjoined twins helped physicians learn about congenital anomalies.

This pair of gilded girls atop an Art Deco building in Copenhagen were built to function as a weather indicator.

An old Danish political institution where members of government can grab a drink off the record.

This Denmark theme park is part family attraction, part experimental archaeology project.

Denmark’s never-ending bridge.

This chimerical bridge/tunnel appears to dead end right into the sea.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

The mounds at this site were reconstructed with the help of archaeologists and historians.

See the nearly two-century-old ruins of pre-railroad America at the former site of a lock on the Ohio and Erie Canal.