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

This bizarre hotel on historic Route 66 has been plagued by rumors of paranormal activity.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

A remote desert lookout offers unparalleled views of the California badlands for those who brave the trek.

A monument to a one-legged kidnapper, horse thief, and charlatan asks visitors to throw rocks in a pile.

Along a California highway is a kind of Jurassic Park made of metal.

A shockingly detailed small scale recreation of the temples of Abu Simbel.

The Citrus Variety Collection at UC Riverside contains two trees of each of the 1,000+ varieties of citrus.

Mexican food and folk art.

This California tree is the single source of the state's entire orange industry.

These unusual rooms on wheels are holdovers from the 1960s.

Designed to mark the geographical center of France.

A Gothic cathedral created from volcanic rocks.

The world's tallest bridge is also possibly the most elegant.

The world's most famous cheese caves.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

Bits of architecture from a town destroyed in World War I now decorate this hotel garden.

An image of the legendary saint stands in the shadow of a cathedral she liberated.

A glamorous hotel that once accommodated French resistance fighters and concentration camp survivors.

The celebrated eyesore created by starry-eyed sweethearts.

Noirish green neon marks the location of one of the oldest private detective agencies in France.

The spiral staircase hidden inside this giant Parisian column was likely built for Catherine de Medici's astrologer.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

The video game-themed street art first popped up in the French city.