Two towns are linked by an engineering marvel masquerading as a boring suspension bridge.

Giant topiary dog once played a role in a terrorist bomb plot.

Macabre astrological automaton clock dating to the late 1400s.

This statue pays tribute to the iconic musician in the place where he recorded his final studio album.

A monumental underground karstic wonderland is also the water source for over a million citizens of Beirut.

An impressive monument to Poland's independence.

A cluster of headless, armless sculptures looms within a popular Polish park.

This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

A little sculpture with a large wardrobe.

A lush indoor jungle fills this bustling Madrid transportation hub.

The celebrated eyesore created by starry-eyed sweethearts.

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

One of the largest Roman settlements in Portugal.

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

An abandoned mine now resembles a post-apocalyptic landscape of derelict buildings and blood-red pools of water.

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

A unique seaside cave where Aleister Crowley faked his own death.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

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