Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

A psychedelic labyrinth on the San Francisco bay.

A terrific purveyor of natural history objects and curios.

A huge musical instrument played by the ocean.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

An abandoned railroad tunnel is now filled with bioluminescent bugs.

An Australian lake whose pink hue defies scientific explanation.

An enormous concrete structure built over a nuclear crater.

A war relic that has sat undisturbed since it crash-landed near Arno Atoll.

The birthplace of both the Atomic Age and Godzilla, and the namesake of the bathing suit.

This medieval manuscript collection has some of the most obscure and ancient texts in the world.

Right up until the 20th century this network of man-made caves was the biggest village in Eastern Armenia.

A geological oddity topped with a 2,000-year-old pagan temple.

An enormous dragon scales the walls of this 17-story temple.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

A lovingly curated curio shop in which the taxidermy wear newspaper party hats, and peanut shells are spread across every surface.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

A kaleidoscopic warehouse-maze of handmade neon signs.

After visiting hours, this picturesque waterfall is essentially turned "off" to be used for hydroelectric power.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

Monasteries on rock pillars, once accessible only by frayed ropes.