This memorial museum chronicles the apocalyptic destruction of the First World War.

Impressive sink holes fill this untouched old-growth forest in the Bahamas.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

A rare full-sized statue of one of Britain's famous writers.

A picturesque garden with a surprising past.

Medicinal spa created from the mineral-rich runoff of a geothermal power plant

A subterranean playground in an abandoned slate mine.

Northern Ireland's Brobdingnagian stepping stones.

The "Black Arch" guards the entrance to the picturesque Glens of Antrim.

A dark, narrow tunnel that leads to a charming lake and waterfall.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The Origin of On the Origin of Species.

St. Mary's features one of the most spectacularly decorated cathedral interiors in all of Europe.

Macabre astrological automaton clock dating to the late 1400s.

Despite the name, these small saltwater swimming pools have nothing to do with the Romans.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

This small chapel is built of human bones and decorated with a golden skeleton.

This circular artwork represents the ancient microscopic organisms that created the chalk foundations of the North Downs Way.