This arid landscape was once a lush wetland. Today, it's a paleontological site filled with fossilized mammoths, sabertooth cats, and more.

A new kind of theme park for adults off the Las Vegas Strip.

A luxurious doomsday bunker hidden beneath an unassuming Las Vegas home offers the best of subterranean suburbia.

A small house sits between two huge rocks, with its back to the sea.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

These banned cigarette vending machines now sell little pieces of pocket-sized art.

These markers are used to determine the ground stability of the Strip.

Temporary Burning Man sculpture made of two 18-wheelers.

Back in 1952, you could get a mushroom cloud chaser with your atomic cocktail.

“Live hard, ride fast, eat pizza” at this joint filled with Evel Knievel memorabilia.

A piece of the iconic wall found an unlikely new home in a Vegas bathroom.

The bullet-riddled wall from the St. Valentine's Day Massacre, bloodstains enhanced for your viewing pleasure.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

The best Tiki bar in Las Vegas.

Hans Christian Andersen for the postmodern world.

A 19th-century subterranean reservoir repurposed as a contemporary art cave.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

This statue is dedicated to the animal cosmonauts that perished during space flight experiments.

This Stockholm light tower can be controlled by anyone with a smartphone.

It's always game time at Stockholm's only museum devoted solely to video games.

It houses the remains of a 17th-century version of the Titanic.

An ancient Viking runestone hidden in plain view in Stockholm's old town.