One of the best-preserved Roman amphitheaters is still used today, but for less brutal events.

This 135-year-old weather station studied the effects of the climate on human health.

This former estate of a fascist leader is now a burnt out ruin leading to a system of secret tunnels.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

An ethereal glowing blue ocean cave in Croatia.

Mythical beasts symbolizing the city of Tokyo guard a historic bridge.

Legend says the goddess this shrine honors curses any couples that pass by.

This ordinary set of steps is a must-see destination for fans of a certain romantic anime.

A museum dedicated to the history of Tokyo's often-overlooked working-class district.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

This sprawling scenic burial ground is the final resting place of Japan's last shogun.

Thirty architectural gems from the 19th- and early 20th-century Tokyo were restored and relocated to this space.

Meet the world's longest tapeworm in a collection that really gets under your skin.

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.”

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

The legendary birthplace of the Japanese maneki-neko is dotted with hundreds of lucky beckoning cats.

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

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

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

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

Stretching for 22 miles, the world's longest tree-lined avenue dates back to the early 17th-century.

These sculptures were created by a 17th-century artist who had never seen an elephant.

See no evil, hear no evil, speak no evil.

Is this cat asleep or just pretending?