One-time winter retreats of prolific inventor Thomas Edison and his friend Henry Ford.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

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

An ordinary pond with fish from out of this world.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Home inspired by the crystal rock formation of the Emerald Estates.

Pompeii's less famous neighbor is still revealing her secrets.

Breathtaking and huge 430 year old maps of Italy.

The yawning maw of this pagan visage is said to bite off the hands of liars.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

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

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

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

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

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

This domed temple was built in a hidden cave mouth as a refuge for sinners seeking absolution.

A map of Italy made entirely of trees.