Graham Ibbesons's moving tribute to the victims of England's worst mining disaster.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

The fake World Cup prize was secretly created after the first one was stolen in 1966.

Model Trains and Much More in Hamburg.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

What looks like missing grout is actually an old pub's peephole.

Famed for its pie, this eatery has a hidden tunnel that allowed Catholics to secretly walk to church during the Reformation.

This gorgeous reading room houses the oldest and largest art history library in the Netherlands.

Museum preserving torture methods from the past.

A Nazi concentration camp and Anne Frank's place of death.

A castle from the Holy Roman Empire that hosts traveling youth... in its stables.

This abandoned coliseum was intended to be a grand Nazi rallying ground before it was halted at the end of the war.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

An open air haven for tropical monkeys in the damp moors of the English country.

Pompeii's less famous neighbor is still revealing her secrets.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

Striking occult iconography on a medieval German church.

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