A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The space-age building is home to one of the few remaining rotating restaurants in America, and the only one that inspired a 1980s sitcom.

This collector's home is a constant work in progress.

A castle that was built stone by stone by an eccentric journalist.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Because there's no place like home.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Read between the lines of the subway map to find the hidden abandoned Civil War fort.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

A semi-scholarly approach to sex.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

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

The famous abolitionist’s preserved estate is one of Washington's finest monuments to its great Black citizens.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.