A wealth of seafaring history displayed on the California coast.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The world's first motel is now an administrative building for an apple farm.

One of the last surviving buildings of a once large and thriving Chinatown.

A Mysterious Masonic tomb in San Luis Obispo.

A hotel and restaurant serving as the mecca of kitsch.

An alley covered with 20 years of bubble gum.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

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

Where the lovelorn find a home for their sentimental keepsakes.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

The lake that fills and empties itself at random.

Northern Ireland's Brobdingnagian stepping stones.

These sculptures honor the knights who once called Carrickfergus Castle their stronghold.

A local remembrance for lives lost—a poppy for each—in war more than 100 years ago.

A replica memorializes the site where women were punished after the last witchcraft trial in Ireland.

A restored World War II Churchill Mark VII Tank now stands guard in Carrickfergus.

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

The statue honors a beloved bird that once roamed St. George's Market.

The last Victorian market in Belfast.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

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

A towering steel-and-bronze figure whose playful nickname outshines its official message of hope

This massive monument has been telling the time for 150 years—at a slight angle.