Possibly the world’s easiest Easter-egg hunt.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

The final resting place of the world's first nuclear reactor.

What was once the second largest steel mill in the US is now a sprawling complex of modern ruins.

The world's largest covered wagon is piloted by a giant Lincoln lawyer.

This colorful monument commemorates a little-known story from the life of Abraham Lincoln.

Cold War missile launch site which has been converted to a public park.

A former atom smasher turned into an art gallery.

Various forms of phallic art decorate this hill in commemoration of legendary local tragedy.

Secret North Korean passage discovered below the world's most dangerous border.

Tracking the 1,500-year history of Korea's star cabbage.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

A chilling monument to Korean patriots who resisted the Japanese occupation.

A Korean rock bassist's wild dream has become a reality at this completely insane boutique hotel.

This former coal mine has been turned into a sprawling modern art complex.

Asia's largest limestone cave is home to a world of plastic goblins and gold mining history.

The darkest building on Earth was built for the snow-white scenery of the 2018 Winter Olympics.

Along a rail-biking route, giant insects house a two-story restaurant.

The headquarters of Korea’s provisional government later became the site of a prominent statesman's assassination.

Made of giant chains and hung with shackles, this iron cross honors those unknowns who perished under American slavery.

The final resting place of the camel who served with the Confederate Army during the Civil War.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A collection of oddities including Dr. Kevorkian's suicide device, the Thanatron.