A giant Troll lurks under one of Seattle's oldest bridges.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

Amid the sprawling Defense Intelligence Agency Headquarters is one of Washington's least accessible museums.

Home to a vast and influential collection of Shakespeareana.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

A historic neighborhood church is reborn as a psychedelic arts collective.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Home to items never before seen by the public.