A (slightly) grownup take on the classic retro arcade.

A parade of interactive nostalgia nestled within a giant brick building in downtown Hattiesburg.

Colorful and chaotic stacked hotel in North Holland.

Gigantic mosaic sculptures of the figures on Tarot cards fill this colorful Tuscan garden.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

The Cathedral of Salamanca has a number of unusual carvings but none so surprising as a modern astronaut.

A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

The largest drain hole in the world.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

This sword isn't waiting for a king to pull it out. It was placed there by a saint.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

Notorious artist squat renovated into legal studios.

A 16th-century horror show built in a lovely Italian garden.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This family tattoo parlor has been inking religious pilgrims in the Middle East for 700 years.

What was once thought to be a wellspring of unicorn bones is actually just a prehistoric burial site.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

An artsy hidden staircase leads to breathtaking views of San Francisco.

Monuments don't get much more metal than these three giant viking swords planted in a Nordic hill.

Sitting in the basement of a castle, the largest wine barrel in the world is bigger than most apartments.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

Quite simply the largest tree in the world (by volume).