London's old-school healing garden.

This small collection of rare books was uniquely locked up for safe keeping.

A little slice of Japan and its aesthetics in London's Holland Park.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Home to items never before seen by the public.

This coffee shop lies hidden beneath a historic church.

The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

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

Breathtaking and huge 430 year old maps of Italy.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

Every equinox this Maya pyramid puts on a spooky ancient light show.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

A defensive structure built during the Hundred Years War has remained useful in one way or another for nearly 700 years.

This skewed English house has looked like it's going to fall over for centuries.

One of England's most famous churches hides a pair of little known architectural treasures.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

This tree was grafted from the actual tree that led Isaac Newton to ponder the theory of gravity.

1513 Turkish world map, full of European state secrets and snarky commentary.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

Copenhagen's celebrated theme park and gardens.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.