Perhaps the only prehistoric monument with its very own public bus stop.

Deep in the countryside lie the remains of one of the grandest Roman dwellings in Britain.

The falls were named for the mistaken idea that they were the ones pictured on the Canadian $5 bill.

A tower-like theater in the Swiss Alps built to withstand the high winds and avalanches of the mountain pass.

Great Britain's only hat-making museum.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

An enormous playhouse designed to look like 21 stacked Lego bricks, with another 25 million colorful Legos inside.

A hidden tunnel leads to an abandoned slate quarry that's now a secret swimming spot guarded by cliffs.

Explore 400,000 years of humans' "battle against darkness" in this offbeat but thorough lamp museum.

The ruins of a medieval seminary some say is the oldest university site in Scotland.

The world's largest grapevine has produced a delicious harvest at Hampton Court Palace for almost 250 years.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

At just 25 inches at its narrowest point, it's one of the tightest streets in the world.

The half-mile long structure is so impressive, it even shows up on satellite images.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

These Benedictine nuns have been making artisanal cheeses since before it was cool.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

The grounds of this Jacobean estate contain one of the oldest mulberry trees in England.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

At the United Kingdom's only residential library you can sleep among the books.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A whimsical village of unique treehouses resides in a Washington forest.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

The only surviving leech house in the United Kingdom was a home for bloodsucking worms until the 1900s.