Even though bison are not native to this Danish island, you might find them walking around the Almindingen Forestas as part of a nature experiment.

This 19th-century zoological collection has withstood the test of time.

This statue honoring the most decorated dog of World War I stands in a Connecticut park.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Inside this garden, visitors are offered a glimpse into how inhabitants of the region survived centuries ago.

This comprehensive collection features Native American artifacts dating back centuries.

The largest and most well-preserved petroglyph site in the Verde Valley.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

These whimsical rabbit figures are not as innocent as they might look.

The world's oldest railway bridge in continuous use.

Derelict chemical plant on the North Sea is a beautiful industrial ruin.

Pause for an afternoon fika with sublime Scandinavian cakes and pastries.

At this historic pub, you can sit back, sip, and watch a whole century go by.

Baked in 1898 and still almost flawless, this floral masterpiece is considered the world's oldest complete wedding cake.

A sincere and thoughtful art installation, mistaken by many as a statue of a penis.

This balancing rock is one of Utah's most unusual geological formations.

Across from a hotel parking lot, a Confederate spy rests under a large tombstone with her Union Veteran husband behind a copse of trees in a small, well-maintained cemetery.

This gravestone tells the tragic tale of its occupant's death.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Near the former site of numerous witch burnings, this lavish Edinburgh mainstay pays homage to Scotland's brutal history.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

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

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.