The bridge is a secret gallery of discarded gum that has been transformed into miniature masterpieces.

The tallest The Church of Jesus Christ of Latter-day Saints temple in the world soars above the Beltway.

A haunting exhibit in a wildlife refuge center highlights threatened species and the conservation efforts needed to save them.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

This bakery and museum offers tours of the tastes and mythology of Aachen's signature spice biscuit—just don't ask for the recipe.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

A slice of central Asia in the middle of Berlin.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

The only remaining historic maritime signal station in the United States.

A collection of birdhouses await curious motorists and avian squatters.

Five mythical trolls have taken up residence in woods and hidden on paths at the Coastal Maine Botanical Gardens.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

A gift to the children of Boston, this bronze bear represents playfulness, a spirit of love, and the warmth of big hugs.

These elusive, isolated rodents evolved into a distinct, locally iconic subspecies.

Berlin's beloved bear is immortalized at the Museum für Naturkunde.

Tiny memorials honor individual victims of the Holocaust.

Berlin's old airport.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

This shale formation along the Appalachian Trail once inspired the third president of the United States.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

Built in the 1850s, this church was of the first five churches constructed in Harper's Ferry.

Time travel with sweets across history at this research-based candy store.

The Corinthian columns that towered over Abraham Lincoln’s inauguration stand proud.

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