Housed in a memorial lighthouse, this museum relays the history of surfing, beginning with the antics of royal Hawaiian teenagers.

One of just a few cities in the world to base their center of government on an island. Others: Paris and Osaka.

Where manatees are the snowbird vacationers in these balmy Florida springs.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

This Big Sur waterfall drops 80 feet directly into the Pacific Ocean, and inspired the hillside house up top.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

A museum where visitors can learn about greyhounds and (more importantly) pet them.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

This massive redwood tree has a hole in the base big enough to drive through.

This concrete ship has had four careers - World War I tanker, floating amusement park, fishing pier, and artificial reef.

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

One of the largest free-standing structures ever built, this dirigible hangar is now simply a giant skeleton.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This semi-secret storybook hedge maze is also the oldest garden in the city.

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

The graffiti-covered remnants of a former triangulation station are balanced precariously on this California peak.

The official atomic museum of the United States explores the explosive and productive history of a much maligned energy source.

The best Tiki bar in Las Vegas.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

This natural spring not only claims to heal the wounded but it has also been willed to God.

An 1814 castle that hosts an exhibit of "explorabilia".

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

The oldest lighthouse on America's west coast no longer needs keepers, yet they maintain the site anyhow.