A set of ancient drawings in the desert of Peru that are so massive, many of them can only be fully seen from the sky.

A dangling church built over a Colombian gorge.

The world's brightest bioluminescent bay.

A massive sea stack famous for its appearance in The Goonies.

Visit the monolithic tomb of America's most famous general.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Three columns of volcanic rock shoot out of the ocean.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

A cave's rare beauty held a cavernous secret hidden underground.

This quaint Italian town keeps losing ground as the sides of its plateau slowly erode.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

Only known mainland rookery of the threatened Stellar sea lion.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

The second largest waterfall by volume in the U.S., Willamette Falls is outdone only by Niagara in the amount of water that is pushed northward.

Copenhagen's celebrated theme park and gardens.

Who needs fancy modern water slides when this giant North Carolina rock works just as well?

When ecosystems collide in the arid Southwest.

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

Every equinox this Maya pyramid puts on a spooky ancient light show.

The oldest operating pharmacy in the world features 800-year-old recipes.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

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.