After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

"The only replacement for a DC-3 is another DC-3."

This airfield played a key role in both World War II and the Cold War.

The decorations were inspired by an unlikely missing treasure.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

Radioactivity still cause for concern at this urban explorer's paradise.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

A local dialect born in the late 19th century is only spoken in this isolated California valley.

This abandoned-looking amusement park is frighteningly open for business.

This North Korean pegasus statue was built as a symbol of the speed and perseverance of North Korean workers.

A symbol of the Workers' Party of North Korea.

A highly symbolic tower in honor of Supreme Leader Kim Il-sung's personal philosophy.

A giant bronze monument to Kim Il-sung and Kim Jong-il is one of the most sacred sites in North Korea.

This 46-foot-tall carving of a legendary Māori navigator can only be visited by boat.

The world's first fully-fenced urban ecosanctuary is a haven for New Zealand's rare and endangered species.

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

A sculpture of a salmon swimming through a brick building.

On East Burnside, a 24-hour vending machine distributes world-class pastries.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

Take a stroll through this centuries-old tunnel of enormous moss-hung evergreens, nestled among the grounds of America’s first public sculpture garden.

Despite being burnt down multiple times, the ruins of this South Carolina church are still standing.