A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

A site of pagan worship which still attracts people looking for fairies.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

The half-finished remains of what would have been Scotland’s biggest piece of landscape art.

Scotland's oldest medieval bridge is also among the last reminders of early medieval Aberdeen.

The ruins of this gorgeous clifftop castle look like something from a fantasy novel.

This Birnam-based garden honors the legacy of 19th-century children’s book author Beatrix Potter.

Described by William Wordsworth as a "World of Wonder."

Possibly the oldest living thing in Europe, more likely a pagan survivor.

This Neolithic stone circle is the most complete of its kind in Scotland.

A cross marks the spot in a small Scottish village that claims to be the exact center of the country.

These skilfully executed, poignant works of art dot a verdant Scottish dell.

An artistic interpretation of the history of a Scottish park, combining poetry with anthropomorphic animals.

An iconic red telephone box turned tiny art gallery.

Possibly the world's smallest museum is home to one exhibit that sheds light on the capital city's dark criminal history.

This stately bank building hides a spectacular star-studded ceiling.

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

Anonymously sculpted and donated, these sculptures made from poetry books and pages are sprinkled around the city.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

Every birth, death, and marriage is recorded in these color-coded leather-bound books.

A succession of eerily contemplative iron figures lead from a Scottish museum to the sea.

This small museum in a 17th-century building honors three iconic Scottish writers.