This annual harvest parade features intricate floats covered with fruits, vegetables, and seeds.

A Portuguese Jewish cemetery filled with stunning grave monuments that date back to 1614.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

The giant scales in this museum can still tell if someone is one of the devil's brides just by weight.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

The world's longest wildlife overpass provides Hilversum's critters with a safe alternative to trying their luck on the roadway.

The place where houses are born.

Most complete collection of Gymnosperms in the world.

Made of 41,900 pieces of mosaic, it took two years to piece together this giant egg.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

For years, the remains of this ancient Roman fortress were hidden under an orchard.

A bizarre house filled with an astounding array of collections.

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

This massive mural by famed pop-artist Keith Haring was hidden for almost 30 years until its 2018 rediscovery.

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

This 1920s Amsterdam neighborhood was built as a giant experiment in concrete construction.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

Sail in for a ’dam good slice.

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

An overgrown and largely forgotten cemetery lies hidden within the outskirts of Amsterdam.

This unattributed sculpture in Amsterdam is hiding in plain sight.

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

The attic of a four-century-old canal house hides a clandestine church.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.