This legendary urban waterfall creates a dazzling display of rainbows.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

An exotic wildlife habitat right off The Strip.

A large visitor's complex and place of remembrance on the outskirts of the DMZ.

A monument to the two U.S. officers killed by North Korean troops while trying to trim a poplar tree.

South Korea's largely symbolic, barely used gateway to the North.

The site of many tense prisoner exchanges across the Military Demarcation Line between North and South Korea.

The best place for scenic views of the DMZ and North Korea.

Home to more than 13,000 pieces of war memorabilia and military equipment.

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

A glass display case holds the document that ended the Second World War—which one person signed on the wrong line.

A controversial memorial at the place where Captain Cook met his violent end.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

This blowhole is supposedly caused by a trapped monster.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

This abandoned prison castle has become an imposing gallery of graffiti art.

This replica of the Greek structure is in the heart of Nashville.

The world's longest known cave system.

Stonehenge has nothing on Castlerigg’s views.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Graffiti from the 16th and 17th centuries cover the walls of this part of the Tower of London.