Well-preserved, still-functional sliding wood doors from Ancient Rome can be found in this Vesuvius-stricken house.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This lovely burial mound is actually a replica that was installed after archeologists excavated the original.

Where you can experience the story of Appalachia, as told by Appalachians.

The longest staircase lock in Britain.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This 17th-century street hidden beneath Edinburgh was once a breeding ground for the black death.

Largest lake in Great Britain measured by surface area.

One of the oldest, tallest, and most haunted lighthouses in America.

Used as a military post in three different engagements, this fort has remained incomplete and unfired upon for nearly 200 years.

The last standing silent film studio in Jacksonville is the last remnant of the city's once-thriving movie industry.

This replica of a 16th-century French settlement memorializes one of the earliest attempts at a European settlement in North America.

America's first wax museum opened in 1948.

Built around 1723, this is the oldest surviving home in the U.S.'s oldest colonial city.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

The site of the notorious Camp Sumter Prison is now a peaceful memorial.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

At this privately owned collection, conflicts are humanized through soldiers’ personal belongings.

These ornate, fish-shaped water spouts guard Savannah’s historic facades.

A monument to one of the few Olympic flames ever to be lit outside of the host city.