Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

Eclectic collections, artwork, and some feline friends fill the writer's former home.

The palatial McDonald's that inspired Wesley Willis.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

Theater has had many different incarnations but has survived the ravages of time.

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

This historic hotel invented the chocolate brownie.

The spectacular history of spectacles on display.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

A temple to modernity, tucked away amid Barcelona's more well known museums.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

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

The house where the writer spent his formative years.

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

This demon atop the Notre-Dame de Paris looks utterly bored.

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

A hidden architectural treasure in New York's Brooklyn.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The 28-foot granite map plots the locations of 40 theaters in New York City.