Eighty million natural history specimens call this gargantuan museum home.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

Life-sized painted illusions let pedestrians blend in with the street art.

A Surreal flight of architectural fancy in Vietnam's Central Highlands.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This tower once served as a radar station during the Cold War.

A naturally occurring amphitheater carved by erosion into the mountainside.

Some 4,000 individual tiles make up this striking blue billboard from the golden age of air travel.

A deer-headed statue that brings together a 12th-century legend and big wave surfing.

The "Little Ones," show Portugal in full miniature splendor.

Nestled in the mountains of Portugal is a tiny village made almost entirely of schist.

This castle has links to Portugal’s founding and struggles for independence.

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

A majestic hotel for dreamers rises from the center of a fairytale wood.

One of the largest Roman settlements in Portugal.

The corpse bride of Portugal.

Local lore says the devil built this beautiful medieval bridge to help a fleeing bandit.

Elaborate tile work in this railway station tells the story of Portugal.

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

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

A stunning 18th-century site where pilgrims ascend by a series of punishing stairs only to return via funicular.

An early work of the architect Álvaro Siza Vieira, these swimming pools blend into the beach.

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

Picturesque intersection of witchcraft and ancient Christianity.