The forest that inspired Winnie-the-Pooh's Hundred Acre Wood can be found outside London.

Both church and state get put to the torch in this annual festival in the "Bonfire Capital of the World."

This craggy boulder is fabled to be either a druidic relic or Satan's stumbling block.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

Gouged in the mountain to make stage coach access easier through the Fremont Pass.

An enormous concrete structure built over a nuclear crater.

"The country that ate itself."

This ancient oak tree plays matchmaker for singles willing to branch out from the usual dating scene.

A remarkable medieval structure born from a 14th-century disaster.

This tallest folly in the world began its life as an elaborate factory chimney.

Isaac Newton's former home, where the famous apple tree still stands.

The intended purpose of this unfinished Elizabethan building remains a mystery.

Once-buried markers show England’s lowest land point keeps getting lower.

A clumsy-looking flying locomotive rusts within sight of a busy rail station.

An artistic tribute to the famous singer, just around the corner from where he was born.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

The secret medieval communication system will whisk your words above the noise of the crowd.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

The underground sanctuary of a mysterious ancient Roman religious cult contains an exquisite traditional fresco.

A sudden, striking cluster of hills south of Padua has been attracting visitors for centuries.

A factory director designed what was the world's longest suspension footbridge in 1923 so his employees could get to work safely.