A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

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

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

Mysterious 500-year-old tapestries depict a unicorn hunt.

New England's "Witches of Eastwick" locations, in all of their quaint white churched glory.

A cave dug by a man directed by ghosts to find pirate treasure.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

This popular Boston haunt is reminiscent of a time gone by, when slow cafes and sweet-smelling smoke wafting from patios was the norm.

Home of Philip Johnson, one of the 20th century's most influential architects.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

New Preston and Kent, Connecticut - where Friday the 13th, Part 2 was filmed.

The kind of mixed-up place that drives archaeologists crazy.

4,000 monkeys used for medical testing on an island off of South Carolina.

An elaborate, hidden model train in the Needham Town Forest.