The world's largest private telescope collection hides in a secret wing of a Dutch auto museum.

The largest 19th century panorama in the world still in-situ.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

This tiny home was originally a narrow alleyway.

The abandoned remains of this once-thriving hotel looms over the city, awaiting an uncertain future.

The world's brightest bioluminescent bay.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

A classic gold rush hotel can be expected to pick up some ghosts along the way, and the Golden North is no exception.

A snapshot of the city's fascinating voodoo culture.

The magic's in the hole!

This otherworldly church spire reaches up toward the heavens.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

A diverse collection of wax, bone, papier-maché and mummified relics.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

Ancient snack bar of the Roman Empire re-opened.

The glowing blue Nymphaeum of Emperor Tiberius.

Go inside to really appreciate this 500-year-old technological masterpiece.

Chewing gum tycoon's memorial lies perched over wife's botanical gardens on Santa Catalina Island.

This monster board rode a monster wave to break two world records.

This midcentury LA bar was the birthplace of tiki culture.

Colorado Boulevard’s historic bookstore, operating since the bustling city of Pasadena was merely some orange groves and a few ostrich farms.