Tunnel of Love, Ukraine--This tunnel is actually still used today — trains chug through it three times a day to deliver wood to a factory. It's believed that if couples who are truly in love hold hands and cross the tunnel, their wishes will come true.
Travertines in Pamukkale, Turkey. Pamukkale, meaning "cotton castle" in Turkish, is a natural site in Denizli Province in southwestern Turkey. The city contains hot springs and travertines, terraces of carbonate minerals left by the flowing water.
The Wave, Arizona. The Wave is a sandstone rock formation that can be found near the Arizona-Utah border, on the slopes of the Coyote Buttes, in the Paria Canyon-Vermilion Cliffs Wilderness, on the Colorado Plateau.