"endless interest" is a perfectly correct and usable phrase in written English.
You can use it when referring to something that arouses ongoing attention or curiosity. For example, "Visiting national monuments elicits an endless interest in both adults and children alike."
Borrowers end up paying endless interest on a loan that never goes away.
I curated a number of his shows, and for those we traveled together — lovely memories of observing his endless interest in everything around him, giggling, and more pictures".
"What a privilege it is to work on a subject that is a source of endless interest," its author, Alan Pisarski, wrote.
Negative gearing, the policy that sounds boring but is in fact of apparently endless interest to everyone, is still trucking along in the headlines.
It is a fleeting film (just 90 minutes) filled with richness and humour and endless interest, with breathtakingly-realised conceits and moments I think might haunt me forever.
A man of honor, curiosity and courage, who traveled the world with endless interest and a desire to live life to the fullest: an unforgettable man.
"We have eclectic and endless interests, and combining them with yoga is one way we've made it our own -- it's the American spin on it".
"Over the last three years, we've worked hard to create a YouTube Kids experience that allows kids to access videos that are enriching, engaging and allows them to explore their endless interests," says Malik Ducard, Global Head of Family and Learning Content for YouTube.
The most obvious instance has been New Line Cinema's coming film "Snakes on a Plane," which was the subject of endless Internet interest, mostly spoofing the title and its self-evident premise.
Footballers' wives, on the other hand, remain the subject of endless prurient interest to television.
But Mr. Nanney has some riffs of his own: references to art history (those cardboard pedestals echo Brancusi's "Endless Column"), an interest in the extraterrestrial and, above all, an overreaching attraction to glamour, attained by the simplest of means.
