Legends surround an ancient tree trunk riddled with nails for good luck.

Crammed inside this grounded passenger plane is a bar that was once a Communist hang out and is now a ratty relic.

A historic arboretum and non-conformist, non-denominational park cemetery.

An alchemist's "magic door" stands in the middle of a Roman park.

A Nesting Doll of Churches.

A sculpture serving as an homage to Pope John Paul II.

The skull of the patron saint of lovers lies in the Basilica di Santa Maria in Cosmedin—maybe.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The final resting place of the poets Shelley and Keats.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

This bronze boar's snout has been rubbed to a golden sheen by visitors seeking good fortune.

The largest and most famous wax anatomical collection anywhere in the world.

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Monument to a suicide protesting the Soviet invasion.

This hanging crocodile is thought to be the "dragon" that once plagued a Czech city.

Fascinating town where normal life interfaces with the occult.

A centuries-old fortress city lies in ruin.

Temples adorned with intricate, erotic sculptures make up one of the "seven wonders" of India.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

The world's second-largest sundial, made entirely out of stone.

Numberless clock creates a meal of time for the dreaded, insectile Chronophage.

An island filled with hundreds of hanging, decomposing, decapitated dolls.