The longest hedge maze in the world.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

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

The atmospheric road was never meant to be so creepy.

360° views of the city plus five floors of optical illusions and hands-on science.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

A 30-acre garden inspired by the principles of modern physics.

This collection of illusory paraphernalia has been culled from the history of London's premier magician's club.

The sign at the garden gate reads: "These Plants Can Kill."

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

This churchyard arbor is surrounded by hundreds of gravestones placed there by author Thomas Hardy.

A spiritual retreat in the heart of Los Angeles offers stunning gardens and a labyrinth to lose yourself in.

Canyon walls shrouded in ferns.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A meditative space out of a fantasy story.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A reproduction of earth's many biomes.

A historic neighborhood church is reborn as a psychedelic arts collective.

Sniff the Titan Arum's rotting flesh.

Quite simply the largest tree in the world (by volume).

A whimsical village of unique treehouses resides in a Washington forest.