This extraordinary, multi-pillared monument depicts the fascinating history of Georgia.

Underground monastery and fortress.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A Roman-style column in Oregon hides a spiral staircase inside.

A massive sea stack famous for its appearance in The Goonies.

The magic's in the hole!

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

Where the famed daredevil attempted to launch himself across a canyon in a custom-built rocket.

Classic game cookery takes center stage at what's widely considered London's oldest restaurant.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

This long-hidden space above Westminster Abbey now displays the battle gear of the legendary King Henry V.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Two plaques commemorate the site of Shakespeare's first theatre.

Hear the quietest sound from across the dome.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

A strangely forgotten claimant to the much contested title of "Source of the Nile."

The home of half the world's population of critically endangered mountain gorillas.

Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

This wildlife trust is dedicated to orphaned elephant rescue and conservation.

This tourist village in Nairobi celebrates the traditional lifestyles and customs of Kenyan tribes.

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.