This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This spectacular bridge supported by two gigantic hands looks like something out of a fantasy universe.

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

The oldest stone house in Paris was built by its most famous alchemist.

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

An iconic red telephone box turned tiny art gallery.

This Scottish graveyard is the final resting place of the man who inspired the character Ebenezer Scrooge.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A secret garden in a picturesque Edinburgh village has inspired artists for centuries.

A verdant 17th-century-style garden hidden along Edinburgh’s Royal Mile.

Summer in Scotland begins with a spectacularly wild and colorful event rooted in ancient pagan traditions.

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

This series of Scottish caves has no clear purpose other than baffling historians.

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

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

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

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

The eerie remnants of an ancient forest were hidden under the sand for centuries.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

This frequently-photographed waterfall takes only a short hike to visit.

A beautiful 62-acre Catholic shrine and botanical garden.

On the Oregon coast there is a natural hole that seems to be draining the sea.

A carnivorous plant paradise in a serpentine bog.

Under the shadow of its towering parent tree, a rare specimen of sequoia produces ghostly white leaves.