The largest earthwork effigy in the world.

Become a prohibition rebel.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

An underwater city for the dead.

An abandoned facility that has become a place of ritualistic satanic worship, or so rumor has it.

17th century streets hidden under Edinburgh were once a breeding ground for the black death.

A rare view of a preserved Victorian science museum.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This shop for all your super spy needs hides an educational secret.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

A giant Troll lurks under one of Seattle's oldest bridges.

America's most famous piece of self-built architecture.

Enormous lake at the bottom of a unique cave system.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

Site of a former hidden treehouse in New Orleans.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

Try not to get slimed in Tribeca.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Notorious artist squat renovated into legal studios.