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

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A open air theatre built on a cliff by an eccentric British woman.

400-year-old garden, restored to beauty.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

A spiral staircase connects the limestone cave with Pembroke Castle, birthplace of King Henry VII.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A rocky sea serpent hides caves, blowholes, and a spectacular natural bridge.

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

A massive, secret marina for the Nazis' most formidable weapon in the Atlantic.

Roman ruins top white travertine terraces formed by ancient hot springs.

A surrealist timepiece by the artist of melting clocks.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The world's largest wooden structure.

Hidden in a secluded Greek cove is a pristine beach marred only by the rusting smuggler's hulk stranded on its shores.

Opened in 1976, this monster-sized version of the fast-food franchise is sometimes called the Epic McD.

This imposing memorial contains the remains of Che Guevara — and 29 other guerrillas who died with him in Bolivia.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

The Hveragerði fissure runs through this unassuming shopping center.