A giant roundabout made up of six smaller roundabouts can befuddle the uninitiated.

Huge winged monument in the United Kingdom.

This charming, narrow-gauge railway in the Thames Estuary is sometimes referred to as the "Train to Nowhere."

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This skewed English house has looked like it's going to fall over for centuries.

Eliza and Mary Chulkhurst were the first famous conjoined twins in England, but it's not clear when they were born.

These stark white cliffs were spat up by the sea and are slowly being retaken by it.

England's most notorious suicide spot.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

Luxurious hotel designed to stir the imagination of its many visitors.

Site of the golf match between James Bond and Goldfinger.

An avant-garde artist is survived by his seaside garden.

Its walls are adorned with exquisite murals of the natural world, transforming it into an ecologist’s Sistine Chapel.

Go inside to really appreciate this 500-year-old technological masterpiece.

Two stone columns flank the grand Venice square, but there were supposed to be three.

An unphotographable nightly march of tens of thousands of "fairy penguins" from sea to shore.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

This fountain was once heralded as the largest in the world.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

The earliest pagoda built in the beautiful Panmen Scenic Area of Suzhou.

Two cannon-like cranes were installed on top of the bank building to fend off bad feng shui.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Climb to the top of the world's largest seated bronze Buddha.