Commemorating the landing of William of Orange with his European army on their way to the Battle of the Boyne.

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

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This Costa Rican chapel is the most metal church in the world, literally.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

Take a steam-powered ride straight out of the past on this Appalachian rail line.

This rural community has attracted both scientists and techno-refugees due to its federally-mandated lack of technology.

The world's largest fully steerable radio telescope.

Spectacular mineral formations fill these caves, which have been used for everything from smoking meat to stashing illicit liquor.

Near-constant high winds deform the trees on Spruce Knob, the highest point in West Virginia.

A contemporary fresco movement illustrates the region's rich history.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

This historic graveyard was partially paved over to create a streetcar line.

San Diego's most historic and haunted home.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

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

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Every equinox this Maya pyramid puts on a spooky ancient light show.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

The former home of the Nobel Prize-winning American writer is now home to dozens of six-toed cats.

The highway's southernmost spot is a beloved local attraction.

A historic presidential getaway on the continental United States' southernmost island.