This irregularly shaped sea fortress has defended not one but three different sovereign states.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

The largest park in Lviv is surrounded by a network of disused rail tracks.

One of the most valuable palace-garden complexes in the eastern borderlands—and one of the most haunted.

This peaceful oasis appears dreamy, but it's also the site of a nightmarish legend.

Moss and stone turn this waterfall into an otherworldly liquid veil.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

Romania's only crater lake with water as pure as if distilled.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

A 19th-century funicular railway shuttles visitors up this surprising sea cliff to one of the world's largest camera obscuras.

The ruins of a monastery where Saint Bridget of Sweden had her revelations recorded.

An otherworldly, fossil-rich cobble beach holds Viking graves, cairns, and other remains.

Crooked windswept pines give this old forest an enchanted and magical look.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Tubing through a cave lit with glowworms is a magical underground experience.

The most southerly spot on New Zealand's South Island is home to surreally shaped, permanently mangled trees.

A small house sits between two huge rocks, with its back to the sea.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The oldest garden in Prague, once part of an medieval orchard.

The tunnel's elegant proportions keep you snug with no claustrophobia freak-out.

A 17th-century doorway in a small Sabine village is a portal into the mysteries of alchemy.

A small Second Empire-style building is one of only seven remaining lighthouses on the Hudson River.

This semi-spooky remnant of an abandoned hotel provides fantastic views.