The huge collection of paintings of the American West is one of Denver's best-kept secrets.

This whimsical stacked cabin looks like something out of a children's book.

Small plaque marks the spot, but the true center is located about half a mile away on a private pig farm.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

The much-beloved mascot of a local museum.

Live a night as a Byzantine King, with a minibar and private jacuzzi.

While not Turkey's deepest underground city, this subterranean redoubt is the largest.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The fountain marks the area where hundreds of accused witches were burned at the stake.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Life-sized sculpture of a blue whale made of hand-recycled plastic trash.

Located just behind a quiet residential neighborhood, this is ground zero for the Salem witchcraft hysteria of 1692.

This ancient settlement contains some of the largest earthen mounds in North America.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

A memorial to a larger-than-life legend, inside a county that also holds Bunyan's death certificate.

This 19th-century ghost town offers a stunning view of Lake Michigan and a journey through the region's industrial past.

The last remnants of a massive medieval wall that once encompassed the city of Berlin.

Part of a secret 1970s nuclear defense program is now open to the public.

The remnants of an early American attempt at missile defense.

This simple gravestone remembers a pig who single-hoofedly raised $19,000,000 for the Navy.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

A magical place that lets you play in and explore the world of Studio Ghibli.