The oldest restaurant in the world is this old-world Spanish eatery, still known for its suckling pig.

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

The final resting place of England's most notorious bandit.

This network of narrow, medieval passages has the most delightful name.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

19th century tunnels burrowed under Liverpool.

Catacombs turned marketplace.

A student driver's nightmare.

A subterranean ice warehouse that has lain hidden beneath central London for over a century is now open to the public.

This 1920s Dutch barge is now a floating bookstore.

One of the tallest mill chimneys in Lancashire gave up its ornate cast iron "crown" during World War II to assist the war effort.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

The lantern carried by the infamous Guy Fawkes when he was arrested while attempting to blow the houses of Parliament and the King of England to smithereens

This moss-covered boulder is said to be part of a diabolical plant to sabotage the Durham Cathedral's foundation.

This Victorian water wheel is affectionately nicknamed "Little Isabella."

Everyone's favorite clay duo immortalized in bronze.

On a hill overlooking Loch Trool, a granite boulder marks the site where Robert the Bruce, King of Scotland, defeated an English army.

Though it's not the largest, this one-kilometer outdoor market is reportedly the longest in Europe.

With over 12,000 different species of plants, this botanical garden is Japan's oldest and most diverse.

One of Japan's most famous sights, the bridge was originally built in 1673.

On Japan's Tashirojima Island, cats are king.

An ancient woodland that inspired a young J.R.R. Tolkien.

This aging storage facility is the world's largest brick warehouse.