Thousands of coffin-like pillars make up this controversial Holocaust memorial.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

This 700-year-old street food market features baby octopus and soy donuts.

A fantastic castle rumored to be the birthplace of King Arthur.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

The 10,000 Torii shrine.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.

One of only two commuter aerial tramways in the United States.

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

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

The most visited, and possibly most controversial, museum in Germany.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Macabre astrological automaton clock dating to the late 1400s.

Famously misunderstood wonder of the ancient world

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Elevated freight railway turned wildly successful urban park.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Medicinal spa created with the discharge from a geothermal energy plant.