Both the World War II Allied Forces and NATO have used this modern bunker underneath Malta’s capital.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

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

French sculptor Paul Moreau-Vauthier transformed the site of a 19th-century massacre into a haunting memorial.

The world’s oldest military museum has remained largely unchanged since the last days of the Austro-Hungarian Empire.

This tilted minaret and mosque are a feat of modern engineering.

This monument is dedicated to Balto, the heroic Alaskan sled dog.

This medieval village clings to a cliff in southwestern France.

One of the oldest suspension bridges in the world blends in perfectly with a medieval castle.

The poems Nathaniel Hawthorne and his wife Sophia etched into its windows are still visible today.

The restaurant keeps a hidden séance room on the second floor and reserves a table for the spirit of the former owner each night.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

After a battle with Congress, Webb C. Hayes installed the gates of the White House on the fence of his father's Presidential Library and Museum.

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

A vibrant portrait celebrates the actress in her hometown.

The artwork is a community's ode to the "father of Irish tourism."

The most loyal of little dogs, or a Victorian era publicity stunt?

For over 300 years this little carving has been the city’s good luck charm.

When you visit his grave, be sure to rub the Great Emancipator's nose for good luck.

In a resort town where the real Alice spent her summer holidays, iconic characters create a curious trail.

The only subway station in the city that still makes use of gap fillers.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.

The final resting place of the poets Shelley and Keats.

The word "Watergate" will forever be associated with the infamous scandal in 1972, but this fountain is famous in its own right.