In one of the world's smallest countries, a royal's personal winery is open to the public.

Singapore's landscaping project is home to 18 incredible Supertrees.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

A monument to the civilian victims of the Japanese Occupation forces of World War II.

This no man's land slicing through the island is strewn with abandoned relics of another time.

These caves secretly held national treasures during World War II.

The hallucinogenic center of the ancient world.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A tiny church on a man-made island in the Adriatic.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ancient knight and a symbol of the city's freedom.

A dead saint, a deadly poison, and a mysterious holy ooze.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

The smaller of the three towers of San Marino is a former prison inaccessible from the ground level.

This mountainside mural of a person carrying a torch was created for the 1994 Winter Olympics.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

The architect of this fanciful complex called it an "oasis for humanity and nature in a sea of rational houses."

Hitler's bleak vision of relaxation still stands as a mostly abandoned 10,000-room resort complex.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

This German museum devoted to the simple wonders of salt is actually built over an old saltworks.