This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Victorian-era Egyptomania left its mark on this Nashville landmark.

This award-winning men's bathroom was just too beautiful to not allow women to see.

This semi-hidden Manhattan restaurant is based out of a loading dock.

The final resting place of the liberator of Argentina is guarded around the clock by two soldiers.

More than 300,000 historical artifacts from the famous music venue, from Duke Ellington's handwritten score to The Beatles' booking slip.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

Try not to get lost in this picturesque Brazilian labyrinth of the dead.

Eduardo Kobra’s breathtaking 32,300-square-foot graffiti wall took over Rio’s Olympic Boulevard.

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

An exotic wildlife habitat right off The Strip.

A giant open-air sculpture made of over 200 full-sized boats.

This vintage animatronics show is the Vegas version of a walk through the woods.

Nevada's largest cactus collection stands outside a candy mogul's small factory.

Electrical curiosity museum housed in an old transformer station.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

The beautiful, ornate weather station is the most popular geocache in Salzburg.

Climb inside an iron crystal magnified 165 billion times its normal size.

A saintly relic hidden in a Prague church basement.

The solemn exterior conceals an opulent interior of this 17th century church.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.