What once sat in the world’s spotlight is today a largely disused ghost complex.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This giant boulder is sandwiched between apartment complexes in upper Manhattan.

A clerical error gave rise to this imaginary micronation in the southwestern corner of Estonia.

A measuring mishap led to these artificial stone ladies losing their stomachs.

The haunting peak of an old church is all that remains of a drowned Brazilian city.

The longest living non-clonal organisms on Earth.

Admire endangered plants in a verdant garden that looks straight out of a Monet painting.

An oddly conical beacon perched atop beautiful Irish cliffs.

A fortress-like granary that has been continually in use for more than nine centuries.

Rome's ancient Etruscan rival, now a park full of ruins.

A crumbling ghost town with prime views of the dam that doomed it.

Two well-hidden huts let animal lovers spend the night among the bears, wolves, and other predators of the forest.

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

This old medieval prison tower has been a site of astronomical research for more than 250 years.

A bronze sculpture honors the 12 black students who attended the first integrated public high school in the segregated South.