The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A celebration of capitalism in Midtown.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

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

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

The very center of Paris is surrounded by a bevy of strange good luck rituals.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.