This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

A rare example of a medieval house in Rome adorned with a melancholic inscription.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

A 13th-century fortified manor house that was once sieged during the English Civil War.

Described by William Wordsworth as a "World of Wonder."

This small church was constructed over the ruins of three temples dating to the Roman Republic.

This iconic building was founded as a school for the impoverished, but became one for the sons of the local gentry.

This gallery commissioned by Cardinal Spada is known for its magnificent optical illusion.

What appears to be an ancient Roman temple is actually a Catholic church.

This subterranean spot might be the epitome of Japan's baroque, retro coffee houses.

A sad reminder of the World War II bombing stands largely unnoticed on a street corner.

Tokyo’s only Ainu restaurant serves Indigenous food from northern Japan.

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

The former headquarters of history's oldest megacorporation.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

Existing for more than four centuries, the last of Hakone’s historic teahouses serves a sweet, mold-based rice drink.

Nature is slowly overtaking this disused cemetery on the outskirts of Brussels.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

A witch wreaks ruinous revenge on this ancient church with her "enchanted leg."

A breathtaking viewing platform over the Alps.