Where in the World?

Nearly 2,000 years ago, the Romans built a fortress to help protect a road they'd built in one of their new provinces on what is now called the Balkan Peninsula. That fortress, now known as Belogradchik Fortress (sometimes called Kaleto, Turkish for "The Fortress," is the site shown in the photo in the November 2014 issue.

Located in an 18-by-2-mile area near the town of Belogradchik in Bulgaria, the stronghold is surrounded by huge rock formations that almost camouflage it. For 300 years, the Belogradchik Fortress belonged to the Byzantine Empire. It was then absorbed...

The “Edge of the World” — Tasmania’s northwest coast — is home to The Nut, the site that was pictured in the March 2015 issue.

Spectacular views can be seen from several vista points atop this ancient volcanic plug, which stands 470 feet tall and overlooks the town of Stanley. Visitors can reach the top by either hiking a steep trail (Nut Summit Loop) for an hour or taking a chair lift.

When they came across it in 1798, British explorers George Bass and Matthew Flinders named the plug “Circular Head.” (Bass is said to have described...

Quite a few of the 136 readers who correctly identified March’s picture didn’t particularly admire the building, the Parliament Palace in Bucharest, Romania. It was built by dictator Nicolai Ceausescu as the “Casa Poporului” and “Victory of Socialism Center” in the 1980s and was unfinished at the time of his death.

“So ugly, and such a tragedy for Romania,” said Mrs. Don Adamson of Altadena, CA. Jean Rudolph of Moscow, ID, labeled it a “monstrosity.”

“Ugly,” opined Robert Brockman of San...