See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

A particularly disconcerting tribute to Irish martyrs.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

A familiar otherworldly creature guards this 12th-century Scottish abbey.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

The grandest stage for the world's foremost masters of invisible instruments.

After a long, dark winter in the upper latitudes, Yellowknife knows how to let it all out in unparalleled style.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

Monument to a suicide protesting the Soviet invasion.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Bullet holes in the church wall are a reminder of the violence that followed the assassination of a high-ranking Nazi officer.

The world's largest museum devoted solely to the whirlybird comes complete with its own chopper graveyard.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

Scotland's only funicular railway is also the United Kingdom's highest.

A plaque marks the underground site of one of London's "lost rivers."

The largest of London's subterranean rivers and once a mad, bad center of London life.

These beautiful historic watchtowers were used for both scanning the desert for enemy invaders and observing the celestial world.

The birthplace of an eccentric alchemist and possible inspiration for the fictional reanimator of monsters.

"There's nothing there," and other lies the KGB told us.

Mysterious craters may have been home to an ancient cult.

According to the Guanches, the aboriginal people of the Canary Islands, the king of evil lives inside this volcano.