Pompeii's less famous neighbor is still revealing her secrets.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

2300-year-old Roman road connecting the empire.

The doodles of a genius line the walls of a secret room under the Medici Chapel, where they were hidden for nearly 500 years.

Rent a barrel for a personal view of where the Baltic Sea meets the Gulf of Riga.

3,000 market stands in five former Zeppelin hangars.

You would never guess that before World War II this lonely field was a bustling German city.

A small monument in Lithuania marks the geographic center of Europe—or at least one of the claimants.

These traffic lights celebrate the 100 year anniversary of the women's suffrage movement in Lithuania.

The cutest way to stay safe in traffic.

A set of beech hedges planted in the 19th century forms a tunnel that takes on a different appearance in every season.

The 20-mile causeway that separates the Netherlands from the sea.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

Yup, that's a 330-foot yacht passing over the highway.

A set of 27 bamboo tubes creates an eerie soundscape that changes with the wind.

A set of seven houses, each built in a style that represents a European country.

A market built atop boats is one of the few floating holiday markets in Europe.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

Hidden within a Netherlands crater is a stone bed that lets those who lie in it see the sky as a curved surface.

Colorful and chaotic stacked hotel in North Holland.