These memorials built by an eccentric bachelor on the side of Interstate 5 cause both wonder and traffic accidents.

The highest point in Washington state is a volcano covered in glaciers.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.

Home of Howard Hughes' Spruce Goose.

The first North American landing spot for James Cook on his third voyage of discovery in the Pacific.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

Only known mainland rookery of the threatened Stellar sea lion.

On the Oregon coast there is a natural hole that seems to be draining the sea.

From here, the loch appears to take the shape of mainland Scotland.

Scotland's only funicular railway is also the United Kingdom's highest.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

The ritual has been performed uninterrupted for nearly 700 years.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

The ornate structure is part of a building boasting more marble than the Vatican.

An architectural oddity hides in plain sight on this iconic London bridge.

This beautiful deer park was built so King Charles I and his court could go hunting while escaping a deadly plague outbreak.

This Viking gravestone carved in a rare runic style was dug up from a London churchyard.

Children's hospital in London that operates on royalties received from Peter Pan, which J.M. Barrie signed over in 1929.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

This two-legged horse statue celebrates a beloved cartoonist and his quirky characters.

This hidden gem reveals the history of Britain's first police force.