Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

Many of Edinburgh's more unsavory characters spent their final days behind this door while awaiting their executions.

An 18th century fountain and two columns are all that remains of Rome's forgotten river harbor.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

More than 2,000 species of tropical plants call this nature preserve and sanctuary home.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

A plaque pays tribute to the artist's longtime London home.

Brass bricks outline the locations of Edinburgh's lost, lively market stalls.

A hat for every occasion can be found in this British Columbia haunt.

A unique market that brings together various goods and cultures.

An iconic location along the Los Angeles River where countless movie scenes are filmed.

The commemorative stone column conceals a secret laboratory.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

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

This tall and trim architectural oddity is one of the skinniest buildings in San Francisco.

The longest continuously operating Elk's Lodge in the country.

A museum dedicated exclusively to the lore and history of ouija boards.

This alley off Edinburgh's Royal Mile contains remnants of the city's seedier history.

The pockmarks across the building's facade are remnants of the Blitz.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

A natural swimming hole that was once a ceremonial center for Mayan priests.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.