The largest Spanish artifact built in the Philippines and one of the oldest underground reservoirs in the world.

A small, emotionally charged room inside the Mario Testino Museum dedicated to Princess Diana and one famous photo shoot.

This antique rail car has been reborn as an urban cafe.

A monument dedicated in memory of the over 100,000 civilian deaths during the liberation of Manila in World War II.

The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

Sail in for a ’dam good slice.

The remnants of what was once the largest film studio on the East Coast are hiding in plain sight.

This saucy statue once caused outrage among locals.

This massive blockhead sculpture hides an entire library.

A mysterious architectural gem in one of the most elegant areas of Buenos Aires.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

An abandoned train station in Munich constructed for the 1972 Olympic games.

An attack on this gunpowder depot led to the start of the Philippine Revolution.

Dedicated to a legendary spiritual vision.

The drawbridge used in the filming of the movie 'Annie' has been in the open position as it was in the movie for decades.

Remnants from a time before electricity.

Inside this Krakow church, an explosion of psychedelic color.

Krakow's own version of the Hollywood Walk of Fame.

A set of ancient rock engravings that date back to the Neolithic period.

The only remaining section of an aqueduct that used to supply water to Manila during the Spanish occupation.

Venice's island of the dead.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This "Atomic Egg" appears on the city of Garching's coat of arms.

This impressive gate is the only remaining remnant of a Spanish naval station.