Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

This knobby, drooping New Orleans oak is a favorite place both for climbing and for meeting giraffes.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

Imagine playing a version of Legends of the Hidden Temple, but with a distinctly Southern Gothic flare.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

The curiosities and wonders of pharmacy in a delightful historic building.

A snapshot of the city's fascinating voodoo culture.

Site of a former hidden treehouse in New Orleans.

A 250-year-old timepiece-automaton adorned with golden mechanical birds, which still sing to this day.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

Russian researchers who have been excavating ancient squirrel burrows may have brought a 32,000-year-old plant back to life.

Gargantuan home of Russian science.

The tallest hotel in Europe.

The world's first museum dedicated to the work of game-changing naturalist Charles Darwin.

World's largest bell sits on the grounds of the Kremlin in Moscow.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

It took over half a century but a Russian monument to a famous and tragic space pup finally stands in Moscow.

Museum celebrating the achievements of the Soviet space program.

Immortal combat in a Moscow museum.

Mosaics created from 11 million cigar bands.

A lecture hall sink once used by Einstein and other noted physicists is now regarded as a strange science relic.