A building so large that it has its own weather.

The curios of pharmacist and collector Henry Wellcome.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The world's first ice hotel is still one of the most elaborate and beautiful.

What once sat in the world’s spotlight is today a largely disused ghost complex.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Highly spherical boulders on the shores of New Zealand.

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

A monument celebrating the idea of reaching inaccessible places.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

A fortified city, home to a remaining population of five families

Ozymandias’ time-keeping temple.

Charnel house at the foot of Mount Sinai.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Giant naked man on a hillside.

Want to properly offend a king? Sculpt a giant hill figure in chalk of him riding out of town.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

These picturesque Hawaiian falls are home to a rare species of fish that uses a special sucker to climb up cliffs.

This black shoreline is made up of exploded lava particles.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

Deadly scalding and one of the largest hot springs in the world.

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.