The celebrated eyesore created by starry-eyed sweethearts.

Holy Grotto of Montserrat Monastery holds one of Europe's mysterious black Madonnas.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A large grotto built in the 16th century amidst Florence's famous Boboli gardens.

A lover's walk between hilltop towns, decorated with graffiti love notes.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

This massive, ancient stone was disassembled and then put back together again.

One of the largest underground systems runs under Canada's largest urban center.

These strikingly barren, rolling red hills were caused by bad farming practices.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.