A focal point of in Denver’s skyline for over a century, inspired by a Venetian basilica.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A historic casino where Dostoyevsky is said to have lost it all on a single spin of the roulette wheel.

Brasilia's oldest newsstand is sheltered by a wish-granting tunnel-tree.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

Colloquially known as “piss alley,” this narrow street filled with tiny bars and barbecue stands looks like it was pulled straight out of “Blade Runner.”

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

Teeming with illegal goods and services, this towering maze of vice is also a popular tourist accommodation.

Spanish architects used seized Muslim gravestones to rebuild parts of the fortress.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

Once the site of a Native American harvest festival, this humble clearing later played an invaluable role in the birth of jazz.

The oldest family-run restaurant in the United States is a living museum of New Orleans dining history.

The only rotating bar in New Orleans has been slowly spinning since 1949.

A small and surprising passageway in Saint Petersburg devoted to the Beatles.

Built by the Portuguese colonists in the early 16th century, this fort is one of the oldest European structure in Asia.

This historic Mexican convent is home to a tree that grows crucifix-like thorns.

A beautiful example of 18th-century engineering still standing tall.

One man's personal collection of more than 2,000 creepy-crawlies from around the world.

This cluttered cantina is famed for its cheese-spiked, raisin-flavored liqueur.

Go surfing on this urban wave, "hacked" by local surfers.

Visiting dignitaries and Hollywood stars once stayed at this 1920s hotel, alongside ghosts that are said to haunt its corridors.

This stone complex marks the urban center of a lost civilization.