The only surviving prototype of Buckminster Fuller's revolutionary car.

The arch that celebrated the completion of the Lincoln and Victory highways.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

An urban laboratory.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

The unusual burial monument of Arizona's first governor.

A self-built castle made by a mysterious man.

This historic Victorian hotel has a scandalous history of affairs and murder.

Defying all odds, this lonely little tree found a home on a log sticking out of a Canadian lake.

A plaque on Canada's Hornby Island commemorates a fantastical creature from a fictional universe.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

A floating McDonald's built for Expo '86 is now a derelict relic on Burrard Inlet.

A historic ghost town still worth a visit.

A majestic hotel that also stands as a historic relic.

This unique bridge has been a staple across the Saskatchewan River Valley for more than 100 years.

A standalone wonder amid the prairie badlands of southeastern Alberta.

This First Nations monument is a peaceful spot with vast views of the Calgary prairie.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

This ancient Egyptian obelisk still bears the wounds of World War I.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Eighty million natural history specimens call this gargantuan museum home.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.