This statue dedicated to the story of a Flemish boy and his dog was relatively obscure in Belgium, but a cult sensation in Japan.

Most prolific publishing house in the 1600s open to the public.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Third time's a charm, or in this case, two testicles are.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.

Where Nor'easters go to die.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

Ancient serpentine sacrifice holder that has stood the test of time.

Climb a steep hill in 90 seconds on the second-oldest urban subway in the world.

The best-preserved ancient theater in the world.

Legend says if you stick your thumb in the hole and it gets wet, your wish will be granted.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

This famous city eluded concrete detection until the early 2000's.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Roman ruins top white travertine terraces formed by ancient hot springs.