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

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

An antiquated German apothecary on Chicago's North Side.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

Indents in the pavement are all that remain from a grisly death machine in Paris.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Where manatees are the snowbird vacationers in these balmy Florida springs.

One of the oldest reform schools in the United States, home to wayward boys such as Merle Haggard, now abandoned.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

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

Medieval museum built over Roman baths that features famous tapestries of a lady and a unicorn.

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

A Saint Nicholas-themed ghost town in the Mojave desert.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

One of the ghostly stops along Route 66.

Stay in a room with a view... of the bottom of the ocean.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.