Enormous sandstone towers loom within a Czech forest.

A barbarous band of serpents guard the bases of these Aztec temples.

Walk through a clothing store, across a courtyard, and up several flights of stairs for delicious coffee with a side of beautiful views.

The southernmost outpost of the Russian Empire in colonial America.

At the right time of day, sunlight floods through the roof of this cave and illuminates the small pavilion hidden within.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

Flames have been burning within this mountain for more than 2,500 years.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

An Icelandic island full of diving birds and legend.

This tiny 19th-century tunnel was built so a man could move his cows from one field to another.

This single-track road rewards brave drivers with stunning Scottish scenery.

The narrowest street in Paris.

The largest and best-preserved Roman amphitheater in Africa was designed to seat 35,000 people.

“It's the quality” (but probably also the drive-through donut tunnel) that has attracted diners since 1968.

The world's tallest circular building is loaded with symbolism, but many just see a big donut.

Climbing this abandoned railway leads to breathtaking vistas of O‘ahu.

This wrecked ghost ship has been rusting on a Greek beach since the 1980s.

Its history includes dinosaur fossils, cattle rustlers, Georgia O'Keeffe, and a mythical giant rattlesnake named Vivaron.

Over 3 miles up in the Himalayas this pass is one of the highest drivable roads in the world.

Locals affectionately dubbed this World War I memorial "Tommy."

This bird-loving brewery is situated in an old municipal bathhouse, nestled beside a 300-year-old windmill.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

This retro underwater observation tower would make the perfect lair for a sea-loving villain.

The remains of a World War II-era Japanese American internment camp dot a windswept Colorado hill.