One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Sloth rehabilitation center in the jungle of Costa Rica.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This bridge was constructed from the rubble of the infamous Bastille.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Paris' linguistic guide to the international language of, yes, love.

This charming cobbled backstreet is the most Instagramable street in Paris, much to the residents' annoyance.

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

A fantastic place to see murals, and an important location in the history of Toronto's legal street art scene.

The Incredible Hulk, Yoda, Mulder and Scully, and many many others watch over the mean streets of Toronto.

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

The only example of a Paris Métro sign in use at a subway station outside of the French capital. 

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

The skyline of Montreal includes the silhouette of an unexpected fruit-shaped Canadian staple.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

This elaborate towering structure was once famed for its revolutionary height.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The first American department store, and home to the largest operating musical instrument in the world.

A layered tribute to the work of mosaicist Isaiah Zagar.

Settled by the Church of Jesus Christ of Latter-day Saints in 1859, this abandoned frontier town has appeared in several films.

A crack flared at the base provides a pathway completely through a sandstone ridge near Moab.