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

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

A bay of elaborate, historic toilets are held in high esteem at this Scottish dock.

A bizarre stone beast lurks on the beach of a popular tourist island.

A sculpture dedicated to this town’s rich shipbuilding heritage.

A Paisley park where little has changed since its early 20th-century creation.

One of the city's oldest pubs displays a skull said to belong to the country's last witch burned at the stake.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

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

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

Southern Italy's spinning top village.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

This French colonial post office is arguably the grandest in all of Southeast Asia.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Witnesses claim the Virgin Mary statue outside the church once mysteriously shed a single tear.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Showcasing some of the best-preserved temples of the Champa Kingdom.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.

For true northern-style phở with broth as clear as consommé, hunt for this restaurant hidden within a residential home.