An alleyway plaque is all that remains of the independent Texas' envoy that forgot to pay their rent for over a century.

An unusual round church in London with a Templar past.

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

This bustling Italian plaza is built on the ruins of an ancient Roman amphitheater.

A dismembered holy head stares out from her beautiful reliquary at the St. Dominic Basilica.

These medieval skyscrapers dominate the skyline of this small Tuscan town.

The mummified relic of St. Antoninus.

Renaissance hospital featuring a rotating door into which unwanted babies were dropped.

The middle finger of modernity.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

The oldest operating pharmacy in the world features 800-year-old recipes.

Museum celebrating the ocean, with the largest wunderkammer dedicated to sea exploration.

An Orthodox church built by the Royal Family for the Russian community exiled to the French Riviera.

This massive blockhead sculpture hides an entire library.