Deliberately hidden for centuries, the magnificent Saadian Tombs were eventually uncovered in 1917.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

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

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

This sculpture honors the man who was known as the "Righteous Among the Nations."

Tubing through a cave lit with glowworms is a magical underground experience.

This previously dilapidated alleyway has been transformed into one of Melbourne's finest hidden art locations.

This giant, granite purse is one of Melbourne's most unique and distinctive pieces of public art.

What started as three small gnomes at the base of a tree has grown into a full-blown gnome home.

Strange beasts lurking in a garden are all that remain of a quirky, short-lived theme park.

Town of spiritualists and mediums in Florida.

Ride the subways of yesteryear.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

The oldest living tree in Manhattan comes shrouded in sinister legend.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

Volunteer-run library dedicated to exploring five decades of activism history.

Abandoned power station once home to a squatter community, now being developed into an arts center.

For over 30 years the walls of this Harlem schoolyard have been a gallery of street art by "Kings and better."

Once the tallest building in the world and the site of “the highest dinner ever held in New York” this building now holds the most expensive penthouse in the city.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.