Northern Ireland's Brobdingnagian stepping stones.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Macabre astrological automaton clock dating to the late 1400s.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Cliffside houses provide a spectacular view from their perch above the valley.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.