A monolithic monument in Greater London.

Catacombs turned marketplace.

You can climb to the top of the column built to honor the "father of British inland navigation."

Model aircraft soar over 360-degree views of the countryside at the start of England's oldest road.

Crafted by one of the first makers of stoneware in England.

At just 51 feet and 10 inches long, it's the shortest street in England.

This unusual geoglyph was built as a warning so low-flying aircraft wouldn't scare the zoo animals.

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

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

The world's oldest model village.

An ornate aviary built during the Victorian trend of collecting exotic birds.

This windmill is believed to be the oldest in the British Isles.

The incredible private taxidermy collection of an eccentric zoologist.

This magical museum celebrates the life and work of a seminal children's book writer (and occasional spy).

St George's Leprosy Museum depicts the gruesome afflictions of those suffering from the disease.

This chimerical bridge/tunnel appears to dead end right into the sea.

Mysterious man-made rock piles form an ancient cemetery on this rocky beach in Norway.

Norway's national monument to fallen seamen.

These small, triangular, colorful houses are a staple of Madeira Island.

Men in rubber-soled boots serve as your "brakes" on this toboggan ride Hemingway described as "exhilarating."

A micronation on an islet along the coast of a Portuguese island.

A shrine-like museum entirely dedicated to soccer superstar Cristiano Ronaldo.

Crafted from ocean litter, this sculpture highlights the ills of overconsumption.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.