The ancient latrines of the Greeks, in all their public glory.

A Byzantine-era church hidden in a wooded area below the Acropolis.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

What happens when you cross a mayor and a painter?

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

The Guardian of Tallinn.

Site of James Cook's historic observations of the 1769 transit of Venus.

Profile of a sleeping person 4km long in 250m high cliffs.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

The little-known final resting place of one of America's greatest writers.

The wooden octagon in which Huckleberry Finn and A Connecticut Yankee were born can still be visited in upstate New York.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Curtiss is a forgotten figure in the early history of flight.

Major tourist destination known for its bubbling mud-pools and hot thermal springs.

Tubing through a cave lit with glowworms is a magical underground experience.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

Buffalo's abandoned concrete grain elevators are getting a second life.

The seat of Buffalo government is a gorgeous Art Deco palace.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

The third version of this tall sailing ship sits, rusted and burnt, in Lake Ontario.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

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

Quite possibly the last cross all humans will ever see.

Soaring over the Niagara Whirlpool since 1916.