A wonderful safe haven founded in the 1960s to rescue endangered monkeys from the pet trade.

Roman ruins, natural methane fires and a lovely beach.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

This hill and tower are steeped in legend, from King Arthur to the Holy Grail.

All unmarked mute swans on the Thames are owned by the Queen per a tradition that began in the 12th century.

These legendary stone steps were once used to haul coffins up the rockface.

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

These "bridges" help confused bats cross the road.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

Giant, friendly pelicans in Central London, the most unlikely of places.

Eighty million natural history specimens call this gargantuan museum home.

This unusual rock looks like a giant, otherworldly mushroom sprouting atop a cave.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

A small Scottish town's larger-than-life tribute to the celebrated accordion player.

Spend the night in this formerly abandoned traditional Scottish village.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The world's oldest family-run magic shop is hidden beneath a bustling London thoroughfare.

This modest plaza in Moneygall, Ireland has cashed in on its distant connection to the U.S. president.

Behemoth, cannon-like telescope operated by generations of Irish earls.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

Northern Ireland's Brobdingnagian stepping stones.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.