Abstract dinosaur models in London.

Hidden behind a wall for decades, this masonic lodge was only rediscovered during renovations.

A network of concealed passageways lies within a busy London Underground station.

Artists and musicians now rule over this former rail station.

This beautiful Victorian ironwork masterpiece was built to keep London from smelling like poop.

This landmark church concealed a crypt packed with bones that was discovered thanks to the London Blitz.

This home on a quiet suburban street is completely covered with vibrant mosaics.

A historic arboretum and non-conformist, non-denominational park cemetery.

A glorious pub known for a spiteful printing feud and its famous typeface lost—then found—at the bottom of the Thames.

A famous burial ground with a history both grim and literary.

A Victorian park cemetery, standing on the site of what was once the Great North Wood.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."

The verdant mossy ruins of a Franciscan monastery lie in the remote Sintra hills awaiting exploration.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This now abandoned restaurant provides some of the most amazing views of Lisboa.

A unique seaside cave where Aleister Crowley faked his own death.

The best place in the world to buy tinned fish.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This charming candle shop has been in business since 1789.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

At 1,732 feet above sea level, this spectacularly isolated yet surprisingly bustling bar is the highest pub in Britain.

The remains of a remote village that once housed over 1,200 dam workers and their families.