One man's remarkable private collection of art from around the world.

This once-forgotten oasis in the middle of Lisbon was first created over a century ago quite by accident.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

Gustave Eiffel's masterpiece until the Eiffel Tower was built.

A hidden three-foot-wide house separates these two regal churches.

A fortress off the West coast of Portugal that dates back to 1502.

An out-of-place slice of France, smack in the middle of Shanghai.

The once highest point in China blends symbolic design with a kick of adrenaline.

This magnificent market stands as a poignant symbol of the suffering caused by the Spanish Civil War.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

These sandstone replicas of a whale spine represent the history and culture of the Canary Islands.

This propeller hub is one of the last remnants of a ship that crashed off the coast of the Canary Islands.

A stunning example of traditional salt production set against a dramatic volcanic landscape.

This beautifully verdant lagoon is tucked below a massive volcano in a crater atop a black pebble beach.

The chefs at El Diablo use heat generated by an active volcano to cook the food.

Visit a surreal landscape so otherworldly NASA actually used it to train the Apollo 17 crew.

An architect transformed this abandoned cement factory into his castle-like workshop.

A science fiction-inspired apartment building designed by a famous Spanish architect.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

Step back in time at this 19th-century kiosk.

Eat the ultimate iteration of Portugal's most beloved pastry.

Located in the thermoelectric factory that once powered the entire city, this Portuguese museum is shockingly fascinating.