The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

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

These murals stand as reminders to the troubled history of this Northern Ireland city.

A retired military stronghold on the rolling green coast of Donegal.

This ancient Irish landscape boasts hundreds of legendary ruins.

A moody and picturesque riverside ruin overgrown with vegetation.

At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

Originally built to monitor fishing, this Victorian tower now educates visitors about the local salmon industry.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

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

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

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

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

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

A natural formation that resembles a camel resting in the New Mexico desert.

This marker identifies the location where three states converge.

The remains of a historic ranch house that witnessed the Civil War battle dubbed the “Gettysburg of the West.”

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Crumbling remnants of what was once a booming town full of silver.

The ruins of this former mining boomtown once housed over 3,000 people. Now, the population is two.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."