Budapest's Communist-era statues, banished to the suburbs.

Possibly the world's largest hourglass only needs to be reset every New Year's Eve.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

This Hungarian castle was built out of cardboard and wood until it proved so popular that it got upgraded to stone.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This ordinary street was made infamous by a legendary visit from the devil.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

The wreckage of an old coastal trading vessel is only visible at low tide.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

This ancient oak tree sheltered accused "witches" in the 17th century.

This operational mill has survived centuries of destruction and construction.

This surreal art house looks like a geometric version of a small chapel.

A hill carving of the legendary dragon that terrorized the village of Bures in the Middle Ages.

It's possible to walk inside one of the largest Neolithic tombs in Britain.

The largest known medieval map of the world.

This unusual 7th-century Frankish seal offers more questions than answers about its past.

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

Competitors race wooden replicas of pungent blue cheese.

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

The cedar tree in Highgate Cemetery earned its title by accident.

This secluded walkway overlooks a magnificently wild London green space.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.