Las Vegas's very own 40-foot-tall fire-spewing praying mantis.

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

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

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

Flashy signs from Las Vegas’s past find their final resting place at this unusual graveyard.

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

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

A military museum, art park, mausoleum, and architectural oddity all on one fascist's estate.

A unique form of erosion created an uncanny landscape of boulders perched atop slender columns of clay.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This Arabesque Italian castle was built with a primitive, if ingenious, air-conditioning system.

Thousands of well-dressed mummies below a monastery.

Behind medieval walls in a corner of bustling Palermo is a breathtaking former mosque once inhabited by a wolf-taming hermit.

Why a column on the entrance is inscribed with a verse from the Quran is one of Sicily's many mysteries.

An abandoned shopping gallery built during Fascist Italy tucked in the center of Palermo.

This mosaic-lined medieval church was built by the world's first admiral and still holds mass in ancient Greek.

142 ceramic steps become a mosaic once a year.

The tallest structure in Italy is a remote radio transmitter in Sicily.

Tourists to the mountaintop Sicilian town often overlook its ancient fortifications.

This amazingly preserved Doric temple was abandoned before it was ever completed.

A dark, narrow tunnel that leads to a charming lake and waterfall.

Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

World's most expensive home.