A tunnel with windows, so you don't miss out on the impressive views.

Where beautiful signs live on forever.

Behind these delicious arepas lies a true New York success story.

A hidey-hole sandwiched between cellphone, DVD, and jewelry stores features Tibetan delights.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A menagerie of concrete animals brought together from across New York City's parks.

Known as "Toronto's Flatiron."

The giant birds honor two native North American species.

One of the largest underground systems runs under Canada's largest urban center.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This whimsical fountain pays tribute to Toronto's four-legged friends.

Willy Wonka would love this weird half-a-home.

Iconic red and white plaques show the creative names invented to navigate the city streets.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

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

A nondescript Seattle restaurant inherited a piece of European history.

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

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

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

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

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

This sculpture forces visitors to confront their relationship with space.