One of the oldest living oak trees in the Southeast.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

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

Legends of treasure and spirits flow from this this fairy tale-like oasis.

Near this allegedly haunted pub, you can find strong spirits on the rocks.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

The ruins of this Roman temple dominate the small city in southern Lazio.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

Pumpkin-like gargoyles and grotesques peer down from the rooftop of this unassuming apartment building in Illinois.

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

This century-old grotesque has a mysterious history and may not actually be a rabbit.

The gargoyles and grotesques of the 21st century are here—22 emoji built into a new building in the Netherlands.

An Art Nouveau building covered in animal gargoyles and grotesques.

A disconnected rotary phone for "calling" lost loved ones offered a unique way of dealing with grief in disaster-stricken Japan.

Located within a historic park, the beacon is the oldest standing structure in Miami.

A natural gas leak provides a flickering flame beneath a waterfall.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Hundreds of numbered stakes hidden in the woods mark the graves of the lost souls of a nearby asylum.

This pebble beach is so beautiful that taking its rocks is against the law.

On the Oregon coast there is a natural hole that seems to be draining the sea.

An acoustic anomaly with a mysterious cause.

Breathtakingly blue walls shimmer inside the "Glacier Behind the Town."

America's smallest town is run by its single citizen/mayor/librarian/bartender.

This labyrinthine resting place of Black American leaders has been reclaimed by nature.