Trails through lava-carved tube-caves display sparkling bacteria and a rich history.

The final resting place of the tragic king and queen of the Jazz Age is tucked away in a small Maryland graveyard.

The world's largest squirrel statue clutches a pecan bigger than your head.

A restaurant on Staten Island showcases a different grandmother’s cooking every night.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

The abandoned "Red Star Train Graveyard" is the final rusting place for precious artifacts of train history.

A small man-controlled waterfall powers an Art Nouveau elevator and is accessed via narrow gauge, solar-powered tramway.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

A cheeky architectural easter egg.

Bohemian paradise covered in majestic forests.

American soldiers discovered Europe's best one-liner at the end of World War II.

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

Steadily reminding Czechia of its past.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

This automated sculpture of two men peeing will spell out text messages with their micturition.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

What looks like a suicide in progress is actually a statue of Sigmund Freud.

The last municipal pneumatic post system in the world was in operation for over 100 years, and may run again.

Tucked away in a Prague park, a statue beloved by romantics honors a poet so nice they buried him twice.

Monument to a suicide protesting the Soviet invasion.

A bus with a butt and biceps to put Olympic athletes to shame.