An ancient stone fortress considered by many to be the eighth wonder of the world.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

This elaborate temple was built around one of the Buddha's teeth.

A palatial sculpture park was built illegally and in secret by a self-taught artist over 36 years.

A favorite haunt of Delhi's politicos and intellectuals, this old-school coffee shop was shut down under Indira Gandhi's Emergency.

The mysterious empty cupola behind the monumental arch points to an ancient prophecy of Delhi.

A startling, centuries-old subterranean marvel hides in plain sight.

Inside this art museum resides one of Glasgow's most famous musical instruments.

In the depths of Glasgow Cathedral's crypt, one pillar stands out from all others.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

The former home of the world-famous Templeton Carpet Factory.

The largest terracotta fountain in the world, built to commemorate Britain’s Victorian achievements.

One of the first monuments dedicated to the accomplishments of the great Vice Admiral, Horatio Nelson.

A scattered trail of street art adds a pop of color to the city's stark structures.

The ornate structure is part of a building boasting more marble than the Vatican.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Climb inside an iron crystal magnified 165 billion times its normal size.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Brussels' favorite peeing boy has a sister.

Meet the bronze beloved pet to a family of famous peeing statues.

Each time a baby is born in Ghent, these streetlights flash in silent celebration.