A tiny piece of the Moon is embedded in this stained glass masterpiece.

This grand gothic brewery has been pumping out suds for over a hundred years.

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

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

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

The United States Capitol's former columns still stand.

The only Civil War battle in Washington D.C. took place near this highest natural point in the city.

The site of the climactic scene from the classic horror film is now a historic landmark.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

These docile dragons are ideal inhabitants for the conservatory greenhouses.

It is against the law to obstruct the view from the top of this English burial mound.

The Egyptian-inspired last resting place of Lord Kilmorey.

In Twickenham sits a small whitewashed castle that inspired Mary Shelley's 'Frankenstein.'

Floating pink tap installed for a flower show in London.

Carved initials which are nearly 500 years old preserve the deposed Queen's presence at Hampton Court Palace.

These legendary stone steps were once used to haul coffins up the rockface.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

About 80% of all U.S. avocados are descendants of Rudolph Hass's glorious tree.

An unexpected and peaceful oasis on a hillside.

Explore an early California pioneer's rancho hidden in LA's manufacturing hinterland.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

The site of the "Bone Wars" between two rival paleontologists during the dinosaur rush of the 19th century.

This museum is known as the "Land of the Dinosaurs," but its full-scale dino models are just the start.