This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This modern museum of Mediterranean culture is surrounded by a surreal concrete honeycomb.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

An ancient Egyptian temple in the middle of Madrid, Spain.

An enormous, inside-out glass globe built in 1935.

Statue commemorating the use of ether in anesthesia.

Historic Hull Street was actually the first street with a proper name in the Boston area.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

The final resting place of New Orleans' most famous voodoo priestess.

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

Known as the "Cross At The Crossroads," this massive metal cross is just short enough to avoid the FAA.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Site of a former hidden treehouse in New Orleans.

The small cave that housed Tennessee's "first citizen."

The titular fictional logger only inhabits this otherwise historically focussed museum via a piece of fiberglass kitsch.

This rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

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

Cozy basement bar sports an inventory of over 2,000 beers.