During the summer, surfers in Alaska take advantage of this inlet’s unusual water patterns.

A quirky roadside sign was the subject of a years-long legal standoff over highway right-of-way clearances. 

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This massive redwood tree has a hole in the base big enough to drive through.

Traversing steep Alpine slopes, this engineering marvel is one of the longest and highest funiculars in the world.

A 22-million-year-old sandstone cave is a natural habitat for award-winning cheese.

Visit Europe's largest subterranean waterfall, carved by water from the glaciers of the towering peaks surrounding the valley.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

The alpine falls where Sherlock Holmes apparently met his demise can actually be visited.

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

A quartet of tiled art pieces adorn the floors of this prestigious art museum.

Northern Ireland's Brobdingnagian stepping stones.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The comedy and tragedy of Oscar Wilde is preserved in a Dublin park, captured in a sculpture of colorful stone.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

An eerie reminder to the horrors of World War II.

This Japanese national treasure was originally built in 593.

The 10,000 Torii shrine.

The quintessential Japanese rock garden has existed for more than 500 years.

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

This Moab institution functions as both a rock store and a small natural history museum.

Ancient pueblos built into the base of a natural canyon wall.

A spiritual vortex among the red rocks in Sedona.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.