This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

A book bound in the skin of an infamous criminal, along with countless other specimens.

This two-legged horse statue celebrates a beloved cartoonist and his quirky characters.

This former World War II artillery defense site was built to guard the industrial city of Glasgow.

This once-derelict building is now one of the most beautiful bookstores in the world.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

An effigy of Vancouver's Gastown neighorhood's namesake.

A famous hotel houses an impression collection of mini dioramas and giant doll houses.

Legend has it that Bishop Oliver King dreamed of angels ascending to heaven and ordered the church's reconstruction in the late 1400s

A crumbling cliffside ruin hidden in the woods.

The colorful, smiling concrete silos of Vancouver.

This stately Victorian-era burial ground overlooking the Pacific Ocean is home to the graves of some of British Columbia's most famous figures.

A monument stands at one of the starting lines of the Trans-Canada Highway, formerly the longest uninterrupted highway in the world.

Home to one of the most popular teams in Scottish football history.

Housed in a historic 1840 home, this museum provides a window into the lives of everyday, 18th- and 19th-century Bulgarians.

Step inside this medieval Orthodox gem and travel back to the 16th century.

This fifth-century church is one of the oldest Christian sites in the Balkans.

An interactive museum-like experience takes visitors back to 1980s Communist Bulgaria.

Sofia's legislative center is continuously reinventing itself.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

"Holy Wisdom" overlooks the city that became its namesake.

A vast Communist-era exhibition space in the Bulgarian capital.

A striking symbol of the Bulgarian capital.