Giant topiary dog once played a role in a terrorist bomb plot.

The surviving remnants of a destroyed medieval church now stand in a public park.

The much-loved protagonist of famed Argentinian comics can be found sitting on a park bench.

Two large posteriors in one giant statue.

Made up of 3,200 recycled glass bottles, this tree pays homage to Asturia's love of cider.

This underground church is topped with a 500-foot cross that is seen by many as a beacon of fascist hubris.

A 315-foot spire jutting out from the Blue Ridge Mountains makes for breathtaking views.

Gnarled canopies of pink and purple wildflowers arch over the trail to the summit.

California's largest steel arch bridge.

The oldest liquor store in the country is a model of resilience and mischief.

The meteor that sealed the fate of the dinosaurs landed at this site, one of the largest impact craters in the world.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

This bar hosts an ever-evolving napkin art installation devoted to an American president.

This twisty sign depicts the chain's first logo.

This kitschy tavern is also home to rare early editions of "Treasure Island."

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.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

This bridge is haunted by the ghost of a distraught mother.

Every week, a festive public jam session breaks out in downtown Asheville.

This cheerfully-named branch of the Chicago River is the fetid result of years of blood, entrails, and meatpacking waste.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

Each of these gorgeous, intricately decorated rooms is painstakingly crafted to the scale of 1 inch: 1 foot.

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.