A submerged archeological park still holds the wonders of a Roman Sodom.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A 16th-century horror show built in a lovely Italian garden.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This chilly Canadian hotel has a four-month lifespan due to the unusual material it's made of.

These strikingly barren, rolling red hills were caused by bad farming practices.

With well over 130 falls and cascades to brag about, Hamilton, Ontario has earned its stripes as the waterfall capital of the world.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

This natural sea cave hides a small wonderland of natural turquoise beauty.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

An ancient artistic garden parlor full of hidden water wonders.

Get buzzed beholding one of the world's largest coffee-machine collections, then step into the café for a specially brewed cup.

Vast network of air raid tunnels beneath Lombardy's capital.

Da Vinci's equestrian statue, 500 years in the making.

The enigmatic sculpture hides above an escalator in a Milan metro station.

The train platform where Jews were sent to concentration camps is now preserved as a Holocaust memorial.

Long-abandoned art nouveau baths beneath Milan's Piazza Oberdan.

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

The mark of the Devil's horns on a marble column in Milan.

This giant middle finger statue sends an unambiguous message to Italy's bankers.