Once the future of underwater combat, this old sub is now open for visitors to muck around in.

Despite its extensive history, this fort saw little to no combat.

This tower pays homage to a legendary Viking fort established in Massachusetts that never really existed.

This castle constructed in 1928 was crafted from drawings of Lismore Castle in Ireland.

While most of the games in this arcade take quarters, that would have been a small fortune when they were made.

There are eight natural springs around town, each with a slightly different taste.

This supermarket is suspended 25 feet above an interstate highway.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

A museum displaying an impressive collection of pre-contact Makah artifacts.

This sculpture forces visitors to confront their relationship with space.

A museum dedicated to the history and exploration of both popular music and science fiction.

A wall of chewing gum moonlights as collective art.

Deep into the lower floors of Pike Place, find a date with fowl fate.

Founded in 1961, this comic shop is said to be the oldest in the world.

Amid the bustle of the Pike Place Market is a poem by famed Japanese poet Narihira.

Bonsai trees that are up to a thousand years old.

This famous bridge twisted itself into oblivion, but not for the reason you might think.

This 19th century jail was mainly used to incarcerate the drunk and disorderly.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.

Once a lonely sentinel on the edge of the Great Plains, this rebuilt trading fort offers a glimpse of life on the Santa Fe Trail.

A picturesque (all-natural!) beach in a landlocked state.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

The oldest inn in England served brew to the crusaders.

The English Civil War began right here in 1642.