Every birth, death, and marriage is recorded in these color-coded leather-bound books.

This king penguin is a knighted brigadier of the Norwegian Army.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This otherwise ordinary close on the Royal Mile constituted the end of the world for Edinburgh’s poorest residents.

Neon artworks light up this dark Edinburgh tunnel.

Once home to a Scottish baronet, this 18th-century historic house doubles as a legendary art space.

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

A recreation of pop art pioneer Eduardo Luigi Paolozzi's London studio.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

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

A statue in the heart of Edinburgh honors a bear that served in the Polish military during World War II.

A rare memorial paying homage to an altruistic woman from the 19th-century.

This sculpture commemorates Edinburgh's sister city and their respective celebrity dogs.

An iconic red telephone box turned tiny art gallery.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

According to myth, Zeus himself was hidden in this cave to escape being eaten by his dad.

Cretean quarry suggests real-life site for ancient Greek myth of the man-eating Minotaur in his labyrinth.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.