Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

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

Remains of the lost church hide beneath this Spanish Parliament building.

The lengthy skeleton of one of the tallest Spaniards of all time is on display in Madrid.

A lush indoor jungle fills this bustling Madrid transportation hub.

Building owners can take out tiles for free at this repository for historic building materials.

When this former hospital pharmacy closed in 2013 it already looked like a museum, so they turned it into one.

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

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

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

This giant subway sculpture celebrates the fruit that inspired the theory of gravity.

A crypt of relics guards a vial said to liquefy each July

A small museum displays some of the artifacts discovered during a subway station renovation.

This fascinating and poignant museum chronicles every imaginable aspect of Spanish colonialism in the Americas.

This lucky bronze frog was gifted to Madrid by a casino.

Mysterious face-like images that appeared within an Andalusian house are surrounded by legends of the paranormal.

One of Antoni Gaudí’s earliest buildings, built between 1886 and 1890 for the industrialist Eusebi Güell.

The oldest Roman lighthouse still in use.

The unfinished final resting place of some of Spain's most prominent politicians.

This stunning iron gate designed by Modernist architect Antoni Gaudí is filled with mythic symbolism.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

Catalonia Tradition: Beating the hollow Christmas log until it defecates in your fireplace.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.