A centuries-old olive tree thrives in a small botanical garden.

A scale model of the world's largest existing lensed telescope.

This hole formed by a glacier is the largest and best-preserved of its kind in Stockholm.

A miniature model of the iconic Stockholm department store.

A simple stone remembers one of the most menacing horses in the Swedish military.

Ancient stone graves shaped like ships provided a Viking-like burial to carry the dead to the afterlife.

This cobblestoned medieval-style town was entirely constructed in the 1990s and 2000s.

Sweden's oldest street has not changed for nearly a millennium.

A geological wonder that helped fuel myths of trolls and giants.

This gem from the industrial age helps visitors and residents alike traverse hilly Stockholm.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

An Olympic hero stripped of his medals is buried in a town he never visited, which took his name after his death.

This jail which was in service for over a century is now open for curious visitors.

The oldest farmer's market in America is so ancient it was approved by the King of England.

In which a local geological marvel becomes a quaint roadside attraction.

A failed piece of Orientalism has become the proud symbol of a community.

One of the world's largest model railroads is a mind-boggling achievement.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

Eccentric concrete mansion and museum designed and built by hand from the inside out.

The home and studio of a visionary woodworker now stands as a museum and example of his artistic genius.

Philadelphia boasts one of the best — and most often overlooked — traditional Japanese gardens in North America.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.