Canada's oldest sugar maple has been growing since around 1500.

The island of Lanai in Hawai'i is a paradise for cats and cat lovers.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

Walk through Czech history in Prague's largest graveyard.

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

A boulder carved into the shape of the cosmonaut's head.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The medieval castle built as headquarters for the Pope's secretive Knights Templar.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

Watch out for the two-story Godzilla made out of tires.

The remains of a British railway rusting in the jungle mist of a Brazilian mountainside.

The world’s largest work of glass art hides in this stunning Taiwanese subway station.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

A folly built to satisfy a gentleman's bet that he could drive his horses through the eye of a needle.

The great Danube river starts here.

A much-maligned monument to teetotalism.

A super-sized promotional trick that is now a D.C. landmark.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

Largest Roman Catholic church in North America.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The United States Capitol's former columns still stand.

This former Baroque palace on the historic Calle Montcada is a rare architectural gem and was once the meeting place of an aristocratic scholarly society.

A former steam-powered mill from the 1800s is now an industrial park with a giant steel dragon slide.