A sculpture made of 10 Cadillacs as a monument to the "Golden Age" of the American automobile.

A wacky, UFO-shaped house in a suburban neighborhood.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

World's largest collection of serial killer artwork and other macabre exhibits.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

A psychedelic labyrinth on the San Francisco bay.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A strange house built only at night, with rumored mystic inspiration.

At this California chicken ranch, four bucks will get you 18 eggs and a chorus of dancing animatronic poultry.

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

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

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

A hugely vast Irish landscape of barren rock that stretches for miles.

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

Certain traditions prevail on the least-visited island of the Aran Islands.

A standing relief of a Norman knight whose posture marks him as a Crusader.

The oldest public library in Ireland.

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

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.