This ancient oak plays host to carvings of magical elves, gnomes, witches, and other creatures prominent in local folklore.

Grotto replete with mystical designs laid out in glued shell mosaics.

A giant scrawl on the skyline of south London.

This London plaque marks the spot where David Bowie's famous alien made his debut.

A naturally mummified 2,000-year-old man.

The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

This historic building displays the remains of a victim of the devastating 14th-century plague.

Legend has it this gnarled old tree was planted by Tsar Peter the Great during his visit to London.

Pop culture has helped to keep this iconic British building from being destroyed.

The John Snow Memorial marks the epicenter of London's 1854 cholera epidemic.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

This picturesque horseshoe weir was first built in the 1600s to prevent flooding in the town of Bath.

A cluttered and astounding collection of antiquities and curiosities.

This South London cemetery holds the remains of more than 15,000 people.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

The home where the first Premier of the People's Republic of China worked and lived.