Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

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

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

An exotic wildlife habitat right off The Strip.

Brightly colored 30-foot-tall totems light up the desert sky just outside Las Vegas.

The wild west is still alive and well at this authentic mining town watering hole.

The abandoned train depot now doubles as a well-placed rest stop for those who take the road less traveled.

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

A pair of large white marble lions guard this stretch of the Mojave Desert, and it is utterly mysterious how they got there.

The ghost town that ended up on Ebay.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

One of the ghostly stops along Route 66.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

The last Americana on Route 66.

This unlicensed collection of fast-food memorabilia sits on the site of the first ever McDonald's restaurant.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

Vast network of air raid tunnels beneath Lombardy's capital.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

Romans built the world's tallest artificial waterfall in 271 BC.

This private skyway is filled with art and was expanded explicitly so that Hitler could appreciate a river.

The astonishing collection of an infamous criminologist.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

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

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.