This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

One of the largest ochre quarries in the world, hidden in a limestone landscape.

A public park off the beaten path with a beautiful waterfall and 13th century Cistercian abbey.

Nearly every wall in this French villa has been "tattooed" by artist Jean Cocteau and other famous painters.

Artist's eccentric property excessively decorated with found objects and work of his own.

Former bridge turned into an observation tower.

The writer took refuge in this home in Southern France for the last 17 years of his life.

One architect's organic, human-centric design has been fully realized in this alien art house.

Avant garde house of Pierre Cardin on the Cote d’Azur.

Hundreds of stone stairs and a winding medieval bridge connect this haunting Spanish island to the mainland.

Natural stone arches form a walkable "cathedral" at low tide, then disappear entirely when the water returns.

The first mosque in Ghana is known as the "Mecca of West Africa."

At Ghana's largest wildlife refuge you feel like you're right in the animals' backyard.

This series of rope-style bridges brings visitors into a jungle layer that is usually reserved for birds and monkeys.

Where thousands of slaves passed through the "Door of No Return."

The tower in this 1,000-year-old mud-brick village seems to vibrate for no apparent reason.

A mesmerizing reservoir nestled at the heart of a pre-Islamic Yemeni village.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

After a nearly successful attempt on Hitler's life, the conspirators met their fate in the courtyard of this Berlin building.

An old department store turned Nazi prison turned artist commune.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.