This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

This isolated outpost was once the only place to cross the Colorado River for hundreds of miles.

The current Eureka County Courthouse replaced an all-wooden structure that had previously been an ice-skating rink.

Small Nevada town embraced its designation as the "Armpit of America" with an Old Spice-sponsored festival.

An errant donkey ushered in a new era of mining in Nevada.

Back in the day everyone who was anyone played this historic western theater.

This railroad magnate's 19th century tower is more than a little bit out of place in the Nevada desert.

Beneath a Virginia City bar is the entrance to an abandoned gold mine.

These once-beautiful historic graveyards are set against the barren Virginia City hills.

The smallest country in the world.

Experience a charming 1930's version of "infotainment."

A gothic palace of endless stalagmites and pseudoscorpions waits within one of the world's most beautiful caves.

Officially named the "Loneliest Road in America," this barren stretch of Nevada road offers almost nothing but sky and open fields.

The drama of nature in full effect in this Nevada State Park.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The longest living non-clonal organisms on Earth.

The world's largest occupied bat houses hold hundreds of thousands of flying mammals.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A hidden beach at the end of a tunnel of mangrove trees.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.