Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

A blend of art, antiquities, and Americana fill this museum, surrounded by whimsical, enchanting gardens.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

A remnant of the last Ice Age, this lake is surrounded by fascinating rock formations.

A museum, walk-through diorama, and library nestled under one castle-like roof.

Every president in history is immortalized in bronze in downtown Rapid City.

Just a man taking his prehistoric pet for a stroll.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

An experimental, automotive replica of Stonehenge.

A striking sculpture built to honor the women of the Lakota and Dakota Nations.

A fitting attraction for the corn capital of the world.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

This museum glorifies the humble potato.

The pockmarks across the building's facade are remnants of the Blitz.

The sumptuous ceiling was one of the last things Charles I saw before his execution.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.

Black cat statues guard this temple-like Egyptian revival factory.

Revel in the Victorian splendor of the world's oldest eating establishment inside a museum.

Collection dedicated to brands, packaging and advertising.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A cluttered and astounding collection of antiquities and curiosities.

Eighty million natural history specimens call this gargantuan museum home.