Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

A small plaque highlights the damage caused by German air raids during World War II.

For part of the year, this innovative greenhouse is painted white to keep the plants from getting scorched.

Once the main gateway to Tokyo, sneaking through this checkpoint was a capital offense in feudal times.

This battleship of a building was designed by a famed "mad architect."

Unbeknownst to most passersby, this marble statue standing outside an office building is a genuine piece of second-century Rome.

At a Japanese train station, a goddess emerges from a dumpling.

A train ride to the middle of nowhere gives its passengers some of the most iconic views of Japan's seasons.

The site of Japan’s first archaeological excavation is also the birthplace of fingerprint forensics.

Founded in 1880, this humble brewery still practices a disappearing technique of sake-making.

Inspired by the famous sculptures on Easter Island, this head serves as a popular meeting spot by Shibuya Station.

According to one legend, this bridge was crafted after monkeys formed a body-bridge across the gorge.

This museum is dedicated to the cultural history of tobacco and salt, once monopolized in Japan.

Take a few seconds to look at this abandoned, art-filled station as you pass by on the subway to Ueno.

This tiny stone in a children's park is what remains of an ancient, once-worshipped object.

Narrow passes cut out of mountains surround the medieval capital of Japan.

Stone slabs along the coast warn of Japan's tsunami-ravaged past, often marking the highest point of a wave's reach.

A 17th-century Shinto shrine that is home to statues of Mickey Mouse and Pikachu.

The tallest city hall in the world offers an excellent bento box.

Birthplace of the Tendai sect and home to the marathon monks.

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

Approximately 300 million years ago, a massive coral reef existed in what is now the largest limestone cave in Japan.