This enchanting Victorian estate was home to the world's first hydroelectric power generator.

This enormous secondhand bookstore inside a Victorian train station sparked the "Keep Calm and Carry On" craze.

This giant wooden treehouse within a sprawling garden has its own eatery.

The sign at the garden gate reads: “These Plants Can Kill.”

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

This 13th century castle is chock full of ghosts and impossibly rare cows.

Roman ruins top white travertine terraces formed by ancient hot springs.

A charming beach town in Turkey captures all the colors of the rainbow.

A massive sea stack famous for its appearance in The Goonies.

A trash dump made beautiful by nature's power.

An eerie natural formation that looks right back at you.

When it was built in 1929, this historic bridge was the only place to cross the Colorado River for 600 miles.

A sharp bend in a dramatic river canyon cut through red rocks.

The location where the iconic movie character declared it was time to go home.

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

Oddly shaped rock formation, misassociated with a nearby utopian community.

The fifth-longest natural arch in the world, and the longest outside China.

A house carved into a rock in the 1940s.

This site is home to ancient petroglyphs and pictographs dating back to 6,000 B.C.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

A series of playful yellow penguins share a serious message about the environment.

Steadily reminding Czechia of its past.

A former top secret nuclear fallout shelter now operates like a hotel stuck in the Cold War.

Europe's second largest ossuary wasn't discovered until 2001.