A gargantuan crystal kingdom.

The winter home of millions of migrating monarch butterflies.

Roam the cradle of the Cuban Revolution with life-sized dinosaurs.

A glowing underwater cliff attracts marine life and divers in equal measure.

This subterranean disco dance club in a Cuban cave comes with bright lights and a dark legend.

A million and a half tons of earth were used to create one of the world's largest land sculptures.

Lombardy poplars planted to imitate the size and shape of the Cathedral of Notre-Dame de Reims.

Explore 10 acres of environmental sculptures.

A museum, art project, and institution that demands we look at the world around us in a strange new way.

This former crime corner has been turned into an eclectic community center.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

Plot your trip through the city on the sidewalk.

One kilometer of thick brass rod laid out before your eyes.

Avoid gangster interaction while window-shopping.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

Hauntingly beautiful totem poles left by the Haida.

The "Gateway to the Arctic" connects Barrow's indigenous population with the sea and its traditional industry: whaling.

This ghostly Alaska village still clings to a steep cliffside despite having been abandoned for over 50 years.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

The simple log cabin of a famed loner and naturalist stands preserved as a symbol of the ultimate DIY lifestyle.

This Alaska library may be the only one in the country that allows you to check out pieces of taxidermy.

An auroral research program that superheats the ionosphere.

Four-story concrete hotel never opened to customers.