Life and death are on parade at the most reliably perilous site of “the Great Migration.”

The red crab exhibits one of the most spectacular migrations on earth, despite manmade obstacles.

Zambia's smallest national park is home to one of the world's largest annual mammal migrations.

The winter home of millions of migrating monarch butterflies.

Along a coast that sees the annual migration of humpback whales, a geological formation that takes the shape of a whale’s tail.

Every October, one of the largest migration of mammals in the world thunders through Boma National Park.

The permanent home of Elektro, the celebrity automaton of the 1939 World's Fair.

This twice-relocated "Usonian" home is among the smallest built by master architect Frank Lloyd Wright.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

A dam that moonlights as a gigantic, brutalist waterslide.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

A curious cone-shaped structure made of wire and covered with antlers.

A 90-year-old underground water reservoir offers a more industrial kind of tranquility.

Large tower used for simulating radiation of Hiroshima bomb and the tallest object ever relocated.

A picture-perfect town, perfect for blowing up.

Twice a year, visitors can tour the desolate site that birthed the Atomic Age.

A bizarre house filled with an astounding array of collections.