Ancient indigenous sculptures steeped in history and shrouded in mystery.

A beloved pet is buried in among the many old and famous residents of a Northern Ireland cemetery.

This colorful but controversial ceiling has been likened to a 21st-century Sistine Chapel.

This 17th-century house was once the trading hub for two prominent Canadian fur barons.

The home of former Heavyweight Boxing Champion, "Gentleman Jim" Corbett.

This park straddling the United States-Canadian border has been a symbol of peace since 1932.

The ruins of this medieval tower are destined to crumble into the sea.

The scars of World War II are preserved on its walls.

Surrounded by a smudge of dark earth, this isolated volcano sits in stark contrast to the surrounding Sahara.

The remnants of the base where US Army troops learned how to fight in extreme conditions.

This historic structure has been used as a mosque, a barracks, a prison, a school, and a bakery.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

This remote Moravian mission brought Christianity—as well as devastation—to the Inuit people.

This ordinary-looking mailbox has a rather explosive history.

A memorial honoring those who perished in one of the worst construction disasters in U.S. history.

This stately structure has been abandoned for half a century.

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

A giant hilltop cross marks the location of a sanctuary with stunning views of Acapulco.

The biggest onshore wind farm in the United Kingdom.

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

A pair of stones embedded in an Edinburgh street memorialize one of the city's last public hangings.

These ancient ruins were the final resting place of King Henry II's mistress.

This tiny train shuttles passengers to one of Northern Ireland's most spectacular sights.