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

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

The name for this waterfall was derived from the Aboriginal word used to describe a rainforest vine.

Cockatoo Island is a Heritage-listed island in the middle of Sydney Harbour.

Aqua white sand highlighted with fiery red rocks.

One of the best beaches in the entire world.

Many rock climbers have come to conquer this slender sea stack, with various degrees of success.

This extraordinary geological oddity resembles human-made pavement.

A natural rock bridge towers above the sea.

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

The world's only full-size replica of the research hut used by Douglas Mawson for his 1911-14 Australasian Antarctic Expedition.

Bronze statues honor the brave explorers who passed through this Antarctic gateway.

This simple sailing boat is one of the oldest preserved fishing vessels of its kind in the world.

This small seaside reserve supposedly inspired a young Errol Flynn to take the nautical adventures that would define him on and off the silver screen.

Countless expeditions have left Tasmania to explore Antarctica, but this island state has an even deeper connection with the sea.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The commemorative stone column conceals a secret laboratory.

Dictionary Johnson’s favorite feline.

This ancient Egyptian obelisk still bears the wounds of World War I.

An agreement meant to honor the Duke of Buckingham led to this unusually-named passageway near Charing Cross.