Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

This statue honors the first Relay of Youth.

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

One of Bogdan Bogdanović's first spomeniks honors those who died during the People's Liberation Struggle in Macedonia.

A meow-velous tribute to a beloved street cat, made famous on the internet.

Every equinox this Maya pyramid puts on a spooky ancient light show.

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

The ruins of an ancient temple to the Aztec wind god discovered in the middle of a metro station.

This partially reconstructed Aztec pyramid gives a glimpse of what its larger counterparts would have looked like.

The ruins of the bathhouse used by the ill-fated last Aztec emperor still lie in Chapultepec Park.

Three small rooms in the jungle house the most elaborate and intact murals of the Mayan world.

Mexico City's largest market contains a Willy Wonka-esque wonderland.

A quirky and charming restaurant founded by artists.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

An Aztec snake god has taken the material form of an apartment complex.

Part bookstore, part café, and part forest.

Fans of vintage Vegas, kitsch, and toy pony-based gambling now flock to a casino called The D.

This vintage animatronics show is the Vegas version of a walk through the woods.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

Thousands of artifacts relating to human sexuality, including the world's largest sex bike.