A "sinister, whimsical, tacky, and really orange" public art installation hidden under a Seattle bridge.

Nikola Tesla's former home contains an homage hidden from plain sight.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

Hundreds of antique bank vault locks on display in New York City.

Commemorating the spot where the famous scientist fed his pigeons.

The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Slyly buy a shake in the Parker Meridien lobby.

A whimsical, but often overlooked clock in Park Avenue.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This grand old 80-foot sequoia towers above the buildings in the city’s retail center.

An inconspicuous footbridge beloved by San Diego locals.

The oldest standing structure in downtown San Diego.

The longest and widest floating bridge in the world.

Leave a button on the jacket of this iconic Seattle clown.

Activists are fighting to preserve these unfinished highway ramps as a tribute to the citizen revolt that halted their construction decades ago.

A beautiful final resting place for some of the noteworthy deceased.

This sculpture forces visitors to confront their relationship with space.

A simple statue outside a California Amtrak station honors the overlooked contributions of the "silent spikes."

This famous bridge twisted itself into oblivion, but not for the reason you might think.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.

A comprehensive collection of bonsai set in a beautiful campus.

This 22-acre botanical garden is home to the largest collection of rhododendrons in the world.

The first park built over a freeway is a brutalist masterwork.