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

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This micro-nation may be some sort of prank, but its constitution sure seems official.

The Frank Zappa fan club erected this monument to their prog-rock hero to mark a new era of post-Soviet Lithuania.

The Polish capital has had a deep connection to its guardian mermaid for almost a millennium now.

This bell stars in a tragic love tale and is said to make wishes come true.

A statue honors the children who fought Nazis in Poland.

An artificial date palm stands as a memorial to Warsaw's Jewish community.

A 20th-century picture show in 3-D.

The UK's largest private house was the subject of a long-lasting political dispute.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

The tallest freestanding structure in the United Kingdom.

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

Though much of the castle was robbed of its stones, the underlying earthworks are among the best-preserved in England.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

This strange moor has a song written about it, Bronze Age carvings, and an alien sighting.

A stretch of land where the sour-sweet vegetable is cloaked in darkness and grows so fast you can hear it crack, squeak, and pop.

The bizarre headgear looks like it was made for a fool, not a king.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

Astonishing rock formations dot the Brimham Moor landscape.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

A 600-year-old mini shrine guarded by a sword-wielding knight hides in a crumbling cliff face.

Walk through Czech history in Prague's largest graveyard.