Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

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

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

This popular bar has been blurring the line between normal and edgy for more than 75 years.

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

A wall of chewing gum moonlights as collective art.

This former coal gasification plant found a curious second life as a popular public park.

This edible park is open to any and all foragers.

A colorful architectural gem in Seattle’s uniquely modern Central Library.

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

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

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

A giant Troll lurks under one of Seattle's oldest bridges.

Site of a classic 19th-century physics experiment to prove the earth is rotating.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

France's most famous cemetery, with some of its most curious tombs.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A nightmare for the claustrophobic lies hidden in Southeast Asia.

The oldest of its kind in the country, this tree sits where formerly enslaved people are said to have founded the city of Freetown.

Home of the ruins of a British slave castle.

A rehabilitation center for confiscated, orphaned, and abandoned chimpanzees.