All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

The platform atop this verdant volcano was built with the help of a royal elephant.

A New Zealand communications tower stands as the tallest structure in the Southern Hemisphere.

Modern art meets modern convenience in possibly the world's most architecturally important public bathroom.

A particularly disconcerting tribute to Irish martyrs.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

The modern birthplace of Irish freedom.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

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.

One of Ireland's most infamous prisons for rebels including men, women and children.

Aqua white sand highlighted with fiery red rocks.

Relics of Australia's convict past, and a modern scene of unimaginable horror.

A granite waterfall cascading down is one of the highest multi-tiered falls in the state.

One of the best beaches in the entire world.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

An ancient Egyptian temple in the middle of Madrid, Spain.

Massive galleon from a box-office bomb docked in Genoa.

A stunning cemetery famous for its extraordinarily delicate & lifelike mourning sculptures.

Genoa's collection of over 4 million zoological, botanical, and geological specimens from around the world.