Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

What happens when you cross a mayor and a painter?

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

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

Breathtaking and huge 430 year old maps of Italy.

Ancient ruins hidden underneath a modern luxury hotel.

Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

The medieval center of the Islamic world was also once the seat of Saladin's sultanate.

Standing atop 2nd-century Roman ruins, this church is one of the oldest and most iconic in Old Cairo.

The tallest residential building in Africa is an unsettling Brutalist monolith.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

An island made out of shells, including a cemetery.

A unique, eye-catching statue that carries an important message of hope.

A tiny island home to a former English slave fort.

An imposing Omani fortress surrounded by date palm trees.

This futuristic building is yet another architectural wonder in Dubai.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This artificial archipelago was supposed to resemble a map of the world.

An oasis of shade and color amidst the bustle of the old city.

This restored eighth-century palace is a shining example of ancient Umayyad architecture.

Just outside of Jordan's capital lies an ancient castle and intriguing caves dating back to the Copper Age.

This exceptionally well-preserved ancient marvel also houses a small museum dedicated to Jordanian folk tradition.

The history of Tel Aviv told through a work of art.