Places Sputnicktatorship Wants to Go

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

The first green space constructed on an elevated viaduct.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

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

Down a cobblestone alleyway is a museum dedicated to Romanticism, with a secret garden.

This Parisian café sticks almost exclusively to an ethos of reuse.

A mechanized clock where a man fights off a dragon, crab, and rooster.

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

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

The oldest stone house in Paris was built by its most famous alchemist.

This massive library holds what was once the largest book collection in the world.

A submerged archeological park still holds the wonders of a Roman Sodom.

A grassroots community effort in the 1970s led to the creation of this beautiful garden full of delightfully whimsical exhibits.

This "living building" on Georgia Tech's campus is home to a blueberry orchard, honeybees, and more than 900 solar panels.

One of the world’s largest collections of paper memorabilia chronicles 4,000 years of papermaking.

One-of-a-kind museum inside the first Boeing 747-400 ever made.

Secret gardens just a few miles from downtown Atlanta.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

The world's first time capsule lies behind a welded steel door in Atlanta.

Healing Springs that once ran red with soldiers' blood.

The largest cemetery in the American Southeast is a hidden gem near the heart of Atlanta.