A little lighthouse in New York City, surrounded by mysterious stories of insanity-driven construction.

A former insane asylum despised by Nelly Bly and Charles Dickens is now fashionable apartments.

Lie in a hammock where George Washington stood.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

A bit of retro transportation flair preserved in the world's largest department store.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Read a book next to a Midtown waterfall.

Elevated freight railway turned wildly successful urban park.

A semi-scholarly approach to sex.

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

Once the largest public hospital for the mentally ill was also surrounded by controversy.

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

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

A steaming, boiling hellscape sources Hokkaido's thermal baths.

A white oak with property rights.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.