A hugely vast Irish landscape of barren rock that stretches for miles.

The burial grounds of a secret society includes fences topped with fake Tesla balls.

A whimsical monument marks the highest point in Kansas, not that you could tell by the looks of it.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

There are eight natural springs around town, each with a slightly different taste.

When ecosystems collide in the arid Southwest.

This grand stone tower was dedicated to a famed American humorist almost by coincidence.

This super steep hike ascends 2,000 feet in less than a mile.

The final resting place of a 19th-century gold prospector and convicted cannibal.

The world's longest outdoor covered escalator system transports commuters through Hong Kong's hilly terrain.

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

Remnants of the most densely packed city in world history, that thrived on anarchy for 30 years.

Jumping-off point for a climb up Mt. Everest is the most dangerous airport in the world.

Last stop before the top of the highest peak in the world.

Sacred Buddhist home of some spiritual monkeys.

One of the largest Buddhist stupas in the world keeps an eye out in every direction.

Once a mortuary that held the remains of Buffalo Bill, this Denver hotspot is now a death-fixated restaurant.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

Long before guestbooks and hotels, frontier travelers signed their names on this rock face.

The highest bridge in America was built for an almost unnervingly small amount of money.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".