Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

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

The unbelievably opulent home built for an infamous newspaperman.

This stretch of beach along California's central coast is a busy highway for the largest seal in the northern hemisphere.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

Allegedly haunted by Walt Disney himself, this inconspicuous lamp is always kept lit in his honor.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

Where the writer penned his famous story about a jumping frog.

A rooftop mascot for a vintage Tiki Bar and Restaurant has a varied and interesting history

This public square capitalized on a single Eagles reference to bring some life back to an Arizona town.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

The only monument to name all of the passengers and crew who died on the RMS Titanic.

It was once nicknamed "the most bombed hotel in Europe."

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

A close look reveals that the Scottish monument is just slightly off-kilter.

Northern Ireland's Brobdingnagian stepping stones.

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

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

A multi-storied painting that depicts the area's rich and diverse maritime history.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.