This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

The awe-inspiring ship from the golden era of cruising has an incomparable history and a reputation as one of the world’s most haunted places.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

A monument celebrating the idea of reaching inaccessible places.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

An important Mayan religious and trading center dating back to 200 BC.

This portion of a lovely Belize beach is infested with (harmless) sharks and rays.

Bermuda triangle lighthouse, site of mysterious disappearances, left to crumble into the Atlantic.

A steamer run aground near Bimini lives a second life as a playground for scuba divers.

An underwater road considered a possible Atlantis location.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The interior of the Overlook Hotel in "The Shining" was based on this Yosemite original.

Standing in a state of "arrested decay," this ghost town allows for a detailed peek into Gold Rush life in an unusually harsh climate.

Site of James Cook's historic observations of the 1769 transit of Venus.

Artifacts of whaling, with both its perils and adventure, are housed in this museum in a former candle factory.

Elaborate series of tunnels where traces of mass suicide are still visible.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

One of Ireland's most infamous prisons for rebels including men, women and children.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

The birthplace of both the Atomic Age and Godzilla, and the namesake of the bathing suit.