The neon signs from Las Vegas' 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.

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

Decades' worth of lost and forgotten objects make up the collection of this tantalizingly odd little museum.

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

A homage to the King at the hotel where he revived his career.

One of the best collections of wax anatomical models in the world.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

A silly medieval mural preserved on the side of a Viennese house.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

The final resting place of the famed German pilot, the "Red Baron."

Spanning the El Chorro gorge, this pathway used to be one of the most dangerous crossings in the world.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

World's largest working waterwheel has been around for over 150 years.

360° views of the city plus five floors of optical illusions and hands-on science.

This wrecked airplane has been sitting on a black sand beach since the 1970s.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

Of all the unique artifacts inside this library, a mummified hand stands out among the others.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

Hidden behind Lincoln's head is a 70-foot-long chamber containing enamel plates documenting American history, sealed in a teakwood box in a titanium vault.

What appears to be an act of fruit vandalism is actually a cultural statement.