This museum showcases the art of ancient sword-making.

These unique toilets feature transparent glass covered in PDLC film.

Dedicated to the armor and weapons used by the legendary Japanese warriors.

A restaurant modeled after feudal Japan, where the waitstaff are trained as ninjas.

After a profound show of devotion for his master, a dog becomes the symbol of loyalty for an entire nation.

Once a black market electronics marketplace, now an otaku shopper's paradise.

Every color in the rainbow awaits.

A 20-meter (65-foot) robot towers over Tokyo Bay.

Not quite the menace it once was, this monster still has some chops.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

This amended headstone marks the grave of a participant in one of the most successful military deceptions of all time.

A reproduction of the famous prehistoric cave paintings is hidden underground at the National Archaeological Museum.

A medieval village holds a very modern hotel.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

The abandoned ruins of a beautiful medieval castle just outside Barcelona.

Stunning Roman aqueduct used for 1900 years and still standing.

Considered the birthplace of the Copper Age and Bronze Age, the river is tinted red from 5,000 years of mining.

An isolated village literally built into the crevices and rock formations of a mountain.

The final resting place of the great navigator, or maybe his brother.

One of the few remaining ancient aqueducts described by Frontinus as 'the most solemn testimony of the Empire.'

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

Bacteria and algae give the salty water its bubblegum hue.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.