This archaeological museum in one of Peru’s most intriguing regions exhibits ancient artifacts from the Nazca civilization.

The lab where the scientist made his groundbreaking discoveries is preserved on the basement floor of the Faraday Museum.

Charles Babbage's proto-computer, painstakingly brought to life.

Rebuilt remains of a temple to Roman god Mithras.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

Tubing through a cave lit with glowworms is a magical underground experience.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

This spa theme park lets its guests take a dip in pools of coffee, wine, or ramen broth.

Once the most densely populated place in the world, this island is now a ghost town.

For those with no fear of heights: a skywalk 4,700 feet up on a Chinese mountain.

A tiny collection of traditional Japanese woodblock prints, open only when the owner feels like it.

A rare festival blending religion, blacksmiths, vagina dentata, sex workers, and the straight-up facts of life.

Rainwater transformed this old quarry into a peaceful pond you won't find in most tourist books.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

An architect in Aspen used psychedelics as his muse while building this mushroom masterpiece.

The largest Star Wars collection in the world is its own galaxy of collectibles.

One of Canada's most incredible rare book collections holds hundreds of thousands of gorgeous tomes that the general public can touch.

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

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

On Japan's Tashirojima Island, cats are king.