A smoke stack so large, the Washington Monument could fit inside!

This fast-food outlet is the only space and UFO-themed McDonalds in the world.

A museum dedicated to the alleged Roswell Incident.

A sculpture of a salmon swimming through a brick building.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

The ritual has been performed uninterrupted for nearly 700 years.

Britain’s longest ancient monument, this great 8th century earthwork was built to mark the boundary between what would become England and Wales.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

The Liverpool street made famous by the Beatles is real.

The quiet field that inspired one of the most famous songs of all time.

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

This 700-year-old storehouse was a POW jail, aviation workshop, and Titanic memorial before becoming a brewpub.

A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

This one has sailed five times as far as Sir Francis Drake's famous ship.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Stonehenge has nothing on Castlerigg’s views.

J.R.R Tolkien, C.S. Lewis, and other "Inklings" met at the Oxford pub to discuss the now legendary fantasy stories they were writing.

Pop culture has helped to keep this iconic British building from being destroyed.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

This water tower slanted at an uncomfortable angle off the old Route 66 was an ingenious marketing ploy.

A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.