A carved bench marks the Scottish cave that inspired the classic adventure novel "Treasure Island."

These tiny book repositories are inspiring new readers across Northern Ireland.

This 17th-century pub once had a hole in its wall so the neighboring blacksmith could easily access beer.

This Arab fortress was once the largest citadel in Western Europe.

This Gothic castle-like portal is a testament to the amazing craftsmanship of the navvies who built the railway tunnel.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

This excellent museum recreates the boom days of the herring rush in the "Atlantic Klondike."

Stay at this storybook estate, featuring Sir Henry Hudson Kitson's masterpiece "Gingerbread House."

An enormous goose sits atop this nest-shaped home.

The site of the first "historically true" UFO encounter in the U.S.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

The ruins of a medieval monastery built on a perilous slope.

Men and special assistants stand by the road to sell the day's catch in this lakeside village.

A section of a historic wooden trestle viaduct is preserved next to the railway line it once carried.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

The remains of this visionary community can still be found much as it was a century ago.

Crooked windswept pines give this old forest an enchanted and magical look.

The oldest platform carousel built in the United States continues to delight children in Martha’s Vineyard.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

These abandoned waterworks are crumbling into the Potomac River.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The oddly shaped, steam-spewing building is now an art studio and gallery.