Places Carnival Wants to Go

Historic medieval fortified city in southwest France.

The industrial architecture honors the laborers who brought the Exposition Universelle of 1900 to life.

Barcelona's only remaining tram system takes riders to the Tibidabo funicular.

Turntable anonymously received orphans, alms, and groceries.

Barcelona's historic 19th-century sewers, whose foundations were laid in medieval times, are open to the public for exploring.

An architectural marvel that spans the Arda River, and has stories of a haunted past.

A subterranean shelter remains intact under a busy Paris railway station.

A subterranean house of worship carved right out of the bedrock.

The world's longest outdoor escalator takes visitors to the top of China's largest dam and is also shaped like a dragon.

Stockholm's last remaining paternoster elevator.

An unexpected curiosity cabinet hidden within a department store in the Japan Post tower.

This giant boulder is pinched over a 1000-meter abyss by two mountains.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

Walk 2,300 feet above the ground on the "Troll's Tongue."

The Cimetière des Chiens et Autres Animaux Domestiques is one of the oldest pet cemeteries in the world.

A former imperial sea-fortress and Soviet prison.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Ghosts of France's colonial past.

The macabre collection of Jacques Sirgent, an expert scholar on the undead and all of their trappings.

This innocuous-seeming building is actually the remnant of a major wartime brothel.

A Belle Epoque bordello turned into a themed love hotel.

Behind the pink curtain, Au Bonheur du Jour, an art gallery of erotic archives.

A museum of magic with a Sadist past.