Basilica -

Gaudí's unfinished masterpiece is praised for its unique "tree-trunk" columns and forest-like interior. Saint Mark's Basilica ClosedVenice, Metropolitan City of Venice, Italy

Praised for its French Gothic architecture and free organ concerts. The Basilica of St. Patrick's Old Cathedral Catholic cathedral ClosedLower Manhattan basilica

: Free entry, unparalleled historical and artistic significance, stunning architecture. Gaudí's unfinished masterpiece is praised for its unique

: Massive crowds, strict dress code (shoulders and knees covered), and narrow, steep stairs for the dome climb. Basílica de la Sagrada Família ClosedBarcelona, Spain Metropolitan City of Venice

“It's an art lover's paradise inside; the art will overpower you wherever you look.” Yelp

Basilica of the National Shrine of the Immaculate Conception ClosedWashington, DC