Several plaster noses are hidden in plain sight around London's Soho neighborhood.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

This relatively recently abandoned brewery is a tragic reminder of the continuing effects of Hurricane Katrina.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

100 years later, they're still down there.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

This lovely pocket park is one of the most under appreciated in D.C.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

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.

Pick up all of the cosmic knick-knacks under the sun or take a creative writing course, all offered in this novelty storefront.

An old vending machine serves up unpredictable beverages from its seemingly magical insides.

Spanning an elevation of 160 feet and containing 388 steps, this is Seattle's longest staircase.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

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

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

An ice cream parlor chain that caters to vegans and pinball fans equally.

This painted blacktop brings the classic arcade game to life.

Couple's personal collection of pinball machines turned public pinball museum.

A walk through the historic city center, under the streets of Seattle.

The massive machine creates cracking displays of indoor lightning.

Ice cream stand, snack bar, and time capsule of milk conveyance.