The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

The gigantic preserved heart of a champion racehorse.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

This isn't your average roadway—it's actually a National Park and a transportation pioneer.

An otherworldly restaurant perched on the edge of a jagged cliff next to a medieval holy city.

It took over 100 years to decode this enigmatic epitaph for two buried brides.

The remains of a religious colony, its amusement park, zoo, and baseball empire.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

The gravestone of the suffragist leader attracted extra visitors during the 2016 election.

An adorably sweet display of sculpted Precious Moments figurines.

The world's first interactive human body museum also serves as a chair for a giant orange man.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

All that remains of Jacques Cousteau's 1960s underwater "village."

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

A spiral staircase twists to the top of this unusual Czech lookout tower.

This folk art compound was built by a fortune teller on the advice of three people from the future.

Once housed in the towers of this Gothic church, this 17th century clock still ticks today.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

An almost life-sized elephant named Ms. Ellie greets visitors at this jumbo-themed museum.

The world's largest collection of ticks.

This extensive collection of dead bugs may be the world's most idiosyncratic and personal insect museum.

A Buddhist temple to honor insects that died for science.

Mysterious library of an infamous financier and spiritual seeker.

There are lots of hands and feet stamped in the cement in front of Grauman’s Chinese Theater, but Mel left behind something extra.