The legendary building that needed ghostly approval before being built.

Magical-looking cottages that inspired one of the most famous animated films ever.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

Church and home-museum of a 1920s female revivalist preacher with a very sordid past.

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

A glacier pocked with ice caves and surrounded by rainforests.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

An Italian geologic wonder that served as the inspiration for the landscape of Dante's hell.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

New York's oldest magic store.

A Manhattan office building is home to the world's largest chess board.

A very classy 1920s-era bar right in Grand Central Station.

A celebration of capitalism in Midtown.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

Wedged between two buildings at the Great Ormond Street Hospital is this secret music installation.

Museum design and public transportation meet in this unique Russian train car.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

A sacred mountaintop temple offers a fine cup of tea to visitors who can survive the journey.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.