The symbolic center of Ireland, this summit also offers panoramic views of the countryside.

This 18th-century fort surrounded by a moat was used to store gun powder and ammunition, and now sits in the middle of a large part in Dublin.

Follow lines from a W.B. Yeats poem through interconnecting gardens designed to appeal to each of your senses.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Learn about the last river many crossed to find freedom from slavery in the United States.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

All that remains of one of the Civil War's more deadly POW camps is a simple flagstone.

A stained-glass window from the 15th century offers a vision of the end of the world.

A historical home in upstate New York honors the work of John W. Jones, a formerly enslaved man who was a major agent for the Underground Railroad.

The little-known final resting place of one of America's greatest writers.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

World War II-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers.

Explore the legends surrounding these mythical sea creatures inside this museum.

The 72-foot giant escaped confinement in a large patch of mulch only to be reburied in the sandy shores of the Potomac River.

A priceless collection of the Nation's cryptologic history.

The trials and tribulations of marking Poe's grave.

The site where Poe "in great distress, and ... in need of immediate assistance" likely died.

Cryptid lake monster honored with its own monument.

This unusual building straddles two countries.

A gardener's enduring labor of love is spread throughout a small Vermont town.

This "common-as-dirt" museum celebrates the glory of normalcy.

The "original web site," this farm in Northern Vermont encourages orb-weaver spiders to build their daily webs, and then sells the preserved masterpieces.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.